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Award-Winning AP Computer Science Tutors

Lukas

Certified Tutor

2+ years

Lukas

Master's/Graduate
Lukas's other Tutor Subjects
Linear Algebra
Middle School Math
Geometry
Differential Equations

Certified Teacher. Hi! My name is Lukas Brazdeikis and I have a strong background in computer science, physics, math, and designing course material. I will help your student learn as effectively as I can while also showing them the practical value of the knowledge they learn. I recently graduated f...

Education

Duke University

Master's/Graduate

Alex

Certified Tutor

2+ years

Alex

BS
Alex's other Tutor Subjects
AP Calculus AB
College Algebra
Pre-Calculus
Geometry

I am a rising sophomore majoring in Computer Science with a minor in Data Science at Rice University in Houston, TX. Naturally, my favorite subjects to teach are math and computer science, particularly programming languages like Python, Java, and Scratch. I have found great enrichment in these seemi...

Education

Rice University

BS

Alan

Certified Tutor

2+ years

Alan

MBA
Alan's other Tutor Subjects
AP Calculus BC
AP Calculus AB
College Algebra
Trigonometry

Intensely curious, I am interested in STEM subjects and the liberal arts. I tutor to help you reach your educational goals and because it's immensely gratifying to see my students succeed.

Education

Stanford University

MBA

Tyler

Certified Tutor

2+ years

Tyler

Master's/Graduate
Tyler's other Tutor Subjects
Statistics
AP Physics 1
Robotics
Business Statistics

With a strong background in STEM education and administration, I am passionate about helping students achieve academic success through personalized learning. My experience as a high school STEM teacher has allowed me to guide students in subjects such as artificial intelligence, machine learning, re...

Education

Massachusetts Institute of Technology

Master's/Graduate

Conrad

Certified Tutor

2+ years

Conrad

Bachelor
Conrad's other Tutor Subjects
Middle School Math
Geometry
Elementary School Math
Calculus 1

I believe every person has potential, which must be drawn out of them. With over 4 years of leading workshops, being a Teaching Assistant and creating curriculum, and nearly two years of private tutoring, I know how to help students and people of all ages easily understand concepts in Science, Techn...

Education

Vanderbilt University

Bachelor

Vivek

Certified Tutor

2+ years

Vivek

AM
Vivek's other Tutor Subjects
Java
College Computer Science
JavaScript
Python

Senior Software Engineer at Capital One Canada (ex-JPMorgan Chase) | M.Sc. CS, University of Windsor. I believe teaching is a dignified pursuit that sharpens both the mentor and the student. I'm grateful for the opportunity to share my expertise and look forward to growing alongside my learners.

Education

University of Windsor

AM

Megha

Certified Tutor

2+ years

Megha

Bachelor's
Megha's other Tutor Subjects
AP Statistics
Statistics
Middle School Math
Algebra

Teaching is something that's always come naturally to me. Learning, however, wasn't. A few years ago, I was the kind of student who would need tutoring; now, here I am. From coding and math to writing and SAT-prep, I've gone through it all: now, I'm here to help students get through their own academ...

Education

University

Bachelor's

June

Certified Tutor

June

Bachelors, Electrical Engineering
June's other Tutor Subjects
Pre-Algebra
College Algebra
Arithmetic
Trigonometry

Hackathons and robotics competitions taught June to debug under pressure and think through code systematically — exactly the skills AP Computer Science A tests on free-response questions. Her electrical engineering studies at Brown mean she understands computing from the hardware up, giving her a co...

Education

Brown University

Bachelors, Electrical Engineering

Test Scores
SAT
1580
Sky

Certified Tutor

2+ years

Sky

Bachelor
Sky's other Tutor Subjects
AP Statistics
Finite Mathematics
College Algebra
Trigonometry

I am a graduate student at George Mason University studying Computer Science. I also graduated at Vanderbilt University, with Bachelors Degrees in Computer Science, Mathematics, and Philosophy. When a student does not understand a topic or concept, I believe the best way to teach it is to meet stude...

Education

Vanderbilt University

Bachelor

Richard

Certified Tutor

2+ years

Richard

BS
Richard's other Tutor Subjects
Pre-Algebra
Pre-Calculus
Middle School Math
Geometry

I am a graduate of the University of Toronto, Reichman University, and Western Governors University. I have been teaching children, youth, and adults in various academic settings since 2008. My teaching philosophy and tutoring style is that of open discourse and conversation, actively involving stud...

Education

Reichman University

BS

Meet Our Expert Tutors

Connect with highly-rated educators ready to help you succeed.

Janani

Middle School Math Tutor • +2 Subjects

Current freshman at the University of Texas at Dallas majoring in Computer Science having graduated from Flower Mound High School with the class of 2024. Has been tutoring students for about 3-4 years now, and is most confident in tutoring math (upto Calculus 2), science, reading comprehension, and computer programming.

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Jiayi

AP Calculus AB Tutor • +24 Subjects

As a Varsity tutor, I am passionate about helping students understand and master the concepts and skills necessary for success in the field. With a solid foundation in computer science and a track record of success in both academic and professional settings, I am well-equipped to support students at all levels of ability and experience. I have a strong understanding of computer science principles, algorithms, and programming languages, and I am skilled at breaking down complex concepts into manageable pieces that students can easily understand. I am patient, supportive, and always willing to go the extra mile to ensure that my students succeed. In addition to my technical expertise, I have excellent communication skills and the ability to explain complex concepts in a clear and concise manner. I am also a strong problem-solver and enjoy helping students develop the critical thinking and problem-solving skills that are essential for success in computer science. Whether working with beginners or advanced students, I am dedicated to helping my students achieve their goals and succeed in their studies. I am confident that my skills and experience make me a strong computer science tutor, and I look forward to helping students reach their full potential.

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Carlos

Competition Math Tutor • +42 Subjects

I've helped several hundred students in a wide variety of subjects, from executive functioning to computer science to standardized testing. I also help students with general support in math and English. Most of my students are around 9-17, but I work well with students who are older and a little younger as well. I also work very well with students who have specific obstacles or requirements, such as neurodiversity support or schedules that change a lot. Most of my background is in computer science, from my college major to my experience hands-on over the past 10 years. Regardless of the subject, I believe every student's needs are unique and every student is able to achieve great things with the right preparation and support. My number one goal is to provide that whenever I can, both to the student and to their parents. I communicate with parents outside of sessions a lot to establish their expectations, better understand students, and recommend ways they can directly support their children in their journey as well.

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Antonia

ACT English Tutor • +4 Subjects

I'm a Computer Science and Law, Societies, and Justice major at the University of Washington. I've tutored K12 students across a wide range of subjects, including district curriculum, AP courses, and SAT/ACT preparation. I also founded a volunteer tutoring program focused on dual-language support in Mandarin and English. I'm passionate about helping students reach their full potential because I believe education should be accessible to all and that every student has a right to it. My core tutoring areas include English at all levels, math from elementary through SAT, and history. I'm excited to help you succeed in a way that's meaningful for you. I look forward to connecting with you and learning alongside you!

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Jonathan

AP Calculus BC Tutor • +37 Subjects

I am a student at Cornell University studying Chemical Engineering and Computer Science. I'm living in Tarrytown right now and can help your son or daughter in math, science, or SAT/ACT prep! Over the past 5 years, I've accumulated many hours of tutoring experience. Some of the subjects I tutor include:

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Alison

Middle School Math Tutor • +6 Subjects

As experienced and passionated educator with a Bachelor's degree in Computer Science from Rice University, I am passionate about empowering students to achieve their academic goals. With over 3 years of tutoring experience in subjects such as AP Computer Science A, Machine Learning, and SAT Math, I adapt to different learning styles and create a supportive learning environment. My teaching philosophy centers on personalized instruction, where I connect with each student to understand their unique learning styles and challenges. I take pride in guiding students through the complexities of computer science and college application essays, equipping them with the skills they need for future success. Outside of tutoring, I enjoy exploring new technologies and engaging in coding projects to improve my teaching approach.

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Tri

AP Calculus AB Tutor • +6 Subjects

I am passionate about helping students because I believe in the transformative power of education. As an undergraduate majoring in computer science at the University of Georgia, I have a strong foundation in mathematics and enjoy making math concepts accessible and enjoyable for my students. My favorite subject to tutor is math because it develops creativity and problem-solving skills, which are crucial for success in many fields. With years of experience tutoring students in a wide range of subjects from algebra to calculus, I focus on creating an interactive, student-centered learning environment tailored to each individual's learning style. My teaching philosophy is rooted in patience, encouragement, and fostering a deep understanding of the material. I excel at helping students to get better grades and do well on their math assessments. My goal is to help students improve academically and develop a love for learning that will benefit them throughout their lives. In my free time, I enjoy playing chess, watching movies, and playing video games with my friends.

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Haley Shea

Neuroscience Tutor • +32 Subjects

Haley graduated from the University of North Georgia with two bachelor's degrees in English Writing & Publication and Interdisciplinary Studies (Mathematics/Technology, Social Science, and Humanities concentrations), and an associate's degree in Psychological Science (2020). Previously, she completed an associate's in Communication, Film & Digital Media Studies (2016). While at UNG, she worked as a Writing Center Peer Consultant, Supplemental Instruction Facilitator, English Department Student Administrative Assistant, Writing Fellow, and Ambassador for the Center for Undergraduate Research & Creative Activities (in addition to programming stimulus displays for EEG experiments in the neuroscience lab). Her major fields of study are supplemented by three minors: Linguistics, Psychology, and Studies of English Language Learning. Combined, this background enables a flexible tutoring approach that can be customized to meet the needs of both additional-language learners and individuals facing cognitive challenges. Haley Shea is currently pursuing graduate-level education in cognitive science, conducting neuroscientific laboratory research in psycholinguistics and brain-computer interface, and training for a career in human-computer interaction. During college, her top subjects were Advanced English Grammar and Linguistics. There, she was known for her passionate leadership of study sessions for sentence-diagramming, which inspired her laboratory research. An active community member, she was Vice President of the English Honor Society chapter and led the UNG Writers Guild for two years, helping students write and gather valuable feedback from one another, enabling them to better proofread and edit their work for future publications. Many of those writers saw their work in print through UNG's award-winning student literary magazine, for which Haley Shea served as an editor for several years. Other campus engagements included running the community book drive for over two years and founding an all-student improv troupe which went on to perform and compete in tournaments around the state and region. While acting helped her become comfortable on-stage, Haley Shea also greatly benefited from her time as a member of the speech and debate team, placing first in statewide debate and slam poetry competitions over the years. Her favorite topic of both debate and poetry is that of human innovation and interaction with emerging technology, especially in relation to ethical policies on artificial intelligence. Captivated by syntax in both spoken language and computer code, she is fascinated with recent developments in language-based software and hopes to contribute to the field of computational psycholinguistics while earning her PhD. After graduating, Haley Shea knew she wanted to keep supporting other students toward their goals. A scholarship student herself, she always loves any chance to help individuals express their strengths and unique personal histories in ways that will help further their goals. To this end, she continues to mentor applicants for nationally competitive scholarships and other student support opportunities, such as the McNair Scholars Program and Goldwater STEM Scholarship, two major awards which made an immense difference toward the funding of her bachelor's education when she was named an official recipient in 2019, in honor of her interdisciplinary research and commitment to fostering student success on campus. She finds joy in any opportunity to uplift other students--especially women in STEM, individuals facing disabilities, or anyone who seeks to improve their command of the English language. In sharing her passions with her students, she helps them break out of "analysis paralysis" into a fun, personalized routine that helps foster positive associations with the topic of study and strong metacognitive skills that lead to improved performance over time. Special Topic Announcement: Students of English writing, grammar, comprehension, et cetera may enjoy developing their meta-linguistic awareness through Sentence Diagramming. Ask during booking to learn more about how you can become a grammar wiz through one-on-one classes in Sentence Diagramming taught by Haley Shea.

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Isaiah

Applied Mathematics Tutor • +35 Subjects

I have been coaching students to their best performance in math for seven years. I am fluent in all levels of math, primary, secondary, and freshman/sophomore university level. I am also fluent with the mathematics which one may find on the ACT, SAT, GRE, ASVAB, CLEP test and most standardized test. My background in Engineering also gives me a level of confidence with computer science and general sciences such as physics and chemistry. I have over a year of study in each myself. Overall, I have had much success working with students in various languages and levels of computer programming.

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Riley

AP Statistics Tutor • +28 Subjects

I primarily tutor a lot of math classes. Anything from elementary school through undergrad. High school Geometry? Yep! Real Analysis? Absolutely! Python? Not quite math, you tricky person, but sign right up. I tutor a bit of physics and computer programming as well. Test prep, too. But who am I? I am a math music philosophy nerd. I love Gauss almost as much as I love Bach and I love Bach almost as much as I like Hegel. So chat to me about that stuff if you are so inclined. But you want to just chill and have homework help? That's quite all right, too!

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Frequently Asked Questions

Students typically find object-oriented programming concepts—especially inheritance, polymorphism, and encapsulation—challenging to grasp initially. The 2D array manipulation and ArrayList operations also trip up many students, particularly when combined with nested loops and algorithmic thinking. Additionally, the transition from procedural thinking to designing classes with proper method decomposition often requires targeted practice, and students frequently underestimate the importance of understanding how the AP exam's GridWorld or other case study frameworks apply these core concepts.

The exam splits into two sections: a 90-minute multiple-choice section (40 questions) testing conceptual understanding and code reading, and a 90-minute free-response section (4 questions) requiring students to write and debug code. Many students underestimate the multiple-choice section's difficulty—it requires not just knowing syntax but understanding what code does without running it. Effective tutoring addresses both skills: building speed and accuracy in reading unfamiliar code, and developing the ability to design solutions and explain your reasoning clearly in free-response questions.

Recursion requires students to think about problems in a fundamentally different way than the iterative loops they've mastered, and many struggle to visualize the call stack or trust that the recursive case will eventually terminate. The challenge intensifies when recursion is combined with arrays or strings, or when students need to trace through multiple recursive calls mentally. A tutor can break down recursion using visual tools like call stack diagrams and simplified examples, then gradually build complexity so students develop intuition rather than just memorizing patterns.

Free-response questions reward clear design and partial credit heavily—writing pseudocode or outlining your approach first prevents costly mistakes and earns points even if your code isn't perfect. Students should spend 2-3 minutes planning before coding, identifying what variables and loops they'll need. Tutoring focuses on teaching students to read prompts carefully for edge cases, write modular helper methods rather than one giant solution, and practice writing clean, readable code quickly so they can verify logic under pressure.

The multiple-choice section frequently presents buggy code or asks students to predict output without running it—skills that require deliberate practice. Tutors work through code-tracing exercises systematically, teaching students to track variable values through loops and method calls, spot off-by-one errors, and recognize common mistakes like null pointer issues or incorrect loop bounds. Regular practice with released AP exam questions builds pattern recognition so students can quickly identify problems and understand why code behaves unexpectedly.

With 90 minutes for 40 multiple-choice questions, students should aim for roughly 2 minutes per question, but skipping difficult questions and returning to them saves time and confidence. For free-response, allocating 20-25 minutes per question allows time for planning, coding, and review. Tutoring includes timed practice tests to help students find their rhythm, identify which question types slow them down, and develop strategies like solving the easiest free-response question first to build momentum.

Students who struggle with foundational concepts (loops, arrays, methods) typically see the biggest gains—often 2-3 score levels—when they close those gaps through focused tutoring. Students already scoring 3s or 4s can reach 5s by sharpening free-response writing clarity and eliminating careless mistakes on multiple-choice through deliberate practice. The timeline depends on starting point and consistency, but 8-12 weeks of regular tutoring combined with independent practice typically produces meaningful improvement.

Beyond strong Java proficiency and understanding of AP exam content, an effective tutor should have experience teaching object-oriented design, recognizing common student misconceptions, and explaining abstract concepts like recursion and polymorphism clearly. Familiarity with the specific AP case study (GridWorld or others) and access to released exam questions is important. Ideally, tutors have either taught AP Computer Science or scored well on the exam themselves and understand the exact skills the exam tests.

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