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Award-Winning 11th Grade AP Computer Science Tutors

Balwinder

Certified Tutor

Balwinder

Bachelor's
Balwinder's other Tutor Subjects
11th Grade AP Computer Science
Grade 12 Data Management
Statics and Dynamics

As a dedicated and results-driven professional with nearly eight years of experience in Canada as a Process Administrator, I bring both depth and versatility to the subjects I tutor, supported by a strong academic background in computer science and engineering. My educational journey includes a thr...

Education

University

Bachelor's

Aaron

Certified Tutor

10+ years

Aaron

Current Grad Student, Mechanical Engineering
Aaron's other Tutor Subjects
Pre-Algebra
Calculus 2
Calculus
Algebra

I'm not tutoring or buried in my textbooks, you will either find me rock climbing at the Triangle Rock Club, playing Ultimate Frisbee, working on my car, or enjoying the great outdoors (beaches, mountains, forests--you name it, I love it). On rainy weekends I enjoy tinkering with computers and old e...

Education

The University of Texas at Dallas

Bachelors, Mechanical Engineering

Duke University

Current Grad Student, Mechanical Engineering

Test Scores
SAT
1530

Certified Tutor

6+ years

Mimi

Masters in Education, Education
Mimi's other Tutor Subjects
Middle School Math
Calculus
Algebra
Elementary School Math

I am an interdisciplinary educator with an Ed.M. from the Harvard Graduate School of Education and a B.A. from Dartmouth College. My background is primarily in integrated arts learning and museum education and I specialize in visual arts, history and art history, and object-based learning. In all su...

Education

Harvard University

Masters in Education, Education

Dartmouth College

B.A.

Test Scores
SAT
1560

Certified Tutor

10+ years

Nina

Masters in biostatistics
Nina's other Tutor Subjects
Statistics Graduate Level
Statistics
Calculus
Algebra

I am a recent graduate from a masters program in biostatistics at Columbia University. I received my Bachelor of Arts in biological sciences, with a focus in neurobiology at Northwestern University. In August, I will be starting a doctoral program in biostatistics at NYU. I was a teaching assistant ...

Education

Columbia University

Masters in biostatistics

Northwestern University

Bachelor of Arts in biological sciences (focus in neurobiology)

Columbia University in the City of New York

Current Grad Student, Biostatistics

Test Scores
SAT
1550

Certified Tutor

Reid

PHD, Education
Reid's other Tutor Subjects
Pre-Algebra
Middle School Math
Calculus
Algebra

I am a graduate of Wesleyan University, where I received my Bachelor of Arts in Sociology with High Honors. With eight years of experience working in education, I've tutored students in math, science, history, and English, as well as helped students prepare for standardized tests. I've guided adults...

Education

Harvard University

PHD, Education

Wesleyan University

Bachelor in Arts, Sociology

Test Scores
ACT
32

Certified Tutor

Charles

Bachelor of Science, Mechanical Engineering
Charles's other Tutor Subjects
AP Calculus AB
Pre-Algebra
Algebra 3/4
Trigonometry

I am a junior Mechanical Engineering major at Yale, and I hope to become a Naval Aviator after college. I am also a varsity sailor, and enjoy playing music with friends when I can get some free time. I have been tutoring my fellow students throughout my entire academic career, and I would best descr...

Education

Yale University

Bachelor of Science, Mechanical Engineering

Test Scores
SAT
1440
ACT
34

Certified Tutor

8+ years

Solange

Bachelor in Arts (Sociology & Women's Studies)
Solange's other Tutor Subjects
Calculus
Algebra
ACT Writing
Public Speaking

I'm Solange - a recent graduate from Harvard where I studied Sociology & Women's Studies. I've been tutoring for eight years now, and have worked with a wide range of ages and in a wide range of subjects. Some of my specialties are college prep/test taking II worked in the admissions office on campu...

Education

Harvard University

Bachelor in Arts (Sociology & Women's Studies)

Test Scores
ACT
34

Certified Tutor

Liz

Masters, Special Education: Mild to Moderate Disabilities 5-12
Liz's other Tutor Subjects
Pre-Algebra
Middle School Math
Calculus
Algebra

I am a graduate of Washington University in St Louis, where I received my Bachelor of Arts in History with minors in Humanities and Anthropology. Since graduation, I have worked as a tutor, teacher, and director of tutors at a charter public middle school in Boston. During this time I also received ...

Education

Simmons College

Masters, Special Education: Mild to Moderate Disabilities 5-12

Washington University in St. Louis

Bachelor of Arts in History (minors in Humanities and Anthropology)

Test Scores
ACT
34

Certified Tutor

Michelle

Current Grad Student, M.D.
Michelle's other Tutor Subjects
Pre-Algebra
Pre-Calculus
Geometry
Calculus

I am proud to be a part of Varsity Tutors! I am originally from San Antonio, TX; I completed my undergraduate education at Rice University in Houston where I received a bachelor's degree in Biochemistry and Cell Biology. Currently, I am in my second year of medical school at Baylor College of Medici...

Education

Baylor College of Medicine

Current Grad Student, M.D.

Rice University

Bachelor's in Biochemistry and Cell Biology

Test Scores
SAT
1570

Certified Tutor

Christopher

Bachelor of Science, Mechanical Engineering
Christopher's other Tutor Subjects
AP Calculus AB
College Algebra
Algebra 3/4
Trigonometry

I am a rising sophomore at Harvard College and am about to declare as a Mechanical Engineering concentrator, working towards a Bachelor of Science degree. I've always enjoyed sharing my knowledge with my peers and those around me and have done so in both formal and informal settings. I've been a tut...

Education

Harvard College

Bachelor of Science, Mechanical Engineering

Test Scores
ACT
35

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Clara

Pre-Algebra Tutor • +31 Subjects

I am tutoring I tend to ask my students to try to "teach" me concepts they are struggling with, or walk me through a problem that is challenging them, so that any conceptual mistakes or assumptions they are making become clear. In addition, I am a firm believer in never providing the answer to a specific problem, but instead empowering students to work toward it by asking directed questions and teaching them to use their resources.

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Justin

AP Calculus BC Tutor • +48 Subjects

I am an aspiring applied mathematician, with particular interest in image processing and climate science. I graduated in May 2017 from Washington University in St. Louis with a bachelor's in physics and mathematics, and am beginning a PhD program in September 2017 at the University of Chicago in Computational and Applied Mathematics. I've tutored introductory physics students for three years and enjoyed it thoroughly, as a chance to help other students while revisiting fundamental concepts to enhance my own knowledge. I'm eager to continue reaching out and helping students of math and physics to succeed and, furthermore, to appreciate the beauty and power of these subjects.

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Sabira

Middle School Math Tutor • +35 Subjects

I am currently attending Johns Hopkins University, pursuing a dual degree in Computer Science and Applied Math and Statistics. I love helping students and I love the feeling I get knowing that I was able to use my knowledge to make someone else happier. My favorite subject to teach is math because there are so many ways to learn it and if one way does not help I can use another. I used to teach taekwondo and interacted with all kinds of students, and I'm excited to help out more! Hobbies: books, reading, music, writing, art

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Asta

Pre-Algebra Tutor • +74 Subjects

I am a graduate of the University of Chicago where I received my undergraduate degree in political science. Right after graduation, I worked as an academic and test prep tutor as well as admissions consultant in Hong Kong. For the past two years, I worked with a number of students to help prepare them for college in the United States.

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Ingrid

Pre-Algebra Tutor • +51 Subjects

I am exploring my creativity by pursuing a double major in Asian Languages and Cultures with a focus in Korean, studying abroad in South Korea as a Benjamin A. Gilman Scholar, leading workshops that teach 3D printing and CAD for undergraduate students as the president of 3D4E, advocating for the first-generation and low-income student community as the Outreach Chair of the Quest+ Scholars Network, and getting involved with the Society of Women Engineers' outreach committee. I currently hold a work-study position as an administrative clerical aide in the Institute of Sustainability and Energy at Northwestern and was an undergraduate researcher in the John Rogers Lab. As I look forward with aspirations of applying to graduate school, areas of research in biomedical engineering and biotechnology that I am particularly interested in include biomaterials, pharmaceuticals, and drug delivery systems. Outside of the classroom, I enjoy learning on my own and sharing my experience and knowledge with my peers and other students. I hope to make use of my experiences with academics and learning in high school and so far in my undergraduate career in order to effectively tutor students who may be experiencing the same struggles in learning that I also experienced.

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Elena

Calculus Tutor • +32 Subjects

I am a graduate of McGill University (BA First Class Honors) and the University of Edinburgh (MSc First Class Honors with Distinction) with over eight years of tutoring experience. I am currently a curriculum developer for a company which creates relatable and culturally-literate courses for middle and high-schools, and am particularly adept at communicating and explaining concepts in a quirky, engaging, and intelligent manner. I was named Scotland International Young Thinker of the Year 2014 for exactly that sort of work. Much of my tutoring background is in test-prep and essay coaching, which I enjoy because it allows the tutor and student to think strategically together, and work as a team to achieve concrete results. I have worked with students ranging in age from 6-32, and believe that, in an educational context, a few jokes never hurt anybody. I love reading and learning, and my educational approach is centered around making the material just as engaging to students as it is to me. I think J.K. Rowlings, the writer of Harry Potter, is just as brilliant as Stephen Hawking, and in my free time, I manage my (terrible) fantasy baseball team, write songs for my comedy band, and crack jokes about terrible science-fiction movies with my friends.

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Justin

Calculus Tutor • +38 Subjects

I am a graduate of the University of Chicago where I received my Bachelor of Arts in Philosophy. Currently, I am in the master's program at the University of New Mexico where I am continuing my education in philosophy. Ultimately, I hope to go on to earn a PhD in Philosophy so that I can continue engaging in my passions for learning and teaching. While in school, I have spent countless hours coaching high school speech and debate both in person and working online with students across the country. My focus in coaching has been to emphasize philosophy and critical thought to prepare students to think through novel arguments on their own. I am passionate about teaching and tutoring because I love seeing students learn to be intellectually independent and think through problems on their own terms by developing their critical thinking skills. I have devoted my life to education because I am passionate about it, and I try to share some of my passion for learning with the students I work with. I tutor all sorts of Standardized Tests, and I particularly enjoy working on logic-based problems like analogies and math sections. When I am not tutoring or reading for school, I enjoy strategy games (both board games and video games), listening to music, hiking, playing basketball, and just relaxing with friends.

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James

AP Calculus AB Tutor • +41 Subjects

I am currently a senior at Harvard College where I study chemistry, and I'll be attending Columbia Medical School next year. I have years of experience tutoring college students in math (mostly calculus) and chemistry including both general and organic chemistry. In addition, I am very familiar with all sections of the SAT and ACT having prepared several high school students for these tests. I believe that every student is capable of boosting his or her baseline score on these tests, so long as he or she works hard to get to know the format of the tests and the most popular types of questions. I tutor because I love seeing students develop a genuine passion for the subjects they once disliked (such as math and science), once they understand the power of these subjects and their applications to the real world.

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Henry

Calculus Tutor • +41 Subjects

I'm eager to help you in your education. I'm a recent graduate of Harvard College looking to apply to law school. My senior thesis was written on John Dewey's ideas of education, which I deeply believe has incredible power to transform individuals and society.

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Andrew

Pre-Algebra Tutor • +26 Subjects

I am comfortable tutoring math subjects up to multivariable calculus and differential equations, as well as college physics. Hobbies: books, music, art, reading, writing

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Frequently Asked Questions

Students typically struggle most with object-oriented programming concepts—particularly inheritance, polymorphism, and encapsulation—since they require thinking about code structure abstractly. Array and ArrayList manipulation also trips up many students, especially when working with 2D arrays or nested loops. The free response section (which makes up 40% of the exam) demands strong problem-solving skills and the ability to write clean, efficient code under time pressure, which is where many students first realize they need targeted help.

The exam is split into two sections: a 90-minute multiple-choice section (40 questions) and a 90-minute free response section (4 coding problems). The multiple-choice tests conceptual understanding and code tracing, while free response requires writing actual code to solve problems. Many students underestimate the free response section—it's not just about getting the right answer, but writing readable, well-structured code that the graders can follow. Tutors often focus heavily on free response practice because that's where students can make the biggest score gains.

Code tracing appears throughout the multiple-choice section and is essential for understanding what code actually does versus what you think it should do. Many students skip this step and rely on intuition, which leads to careless mistakes. Effective practice involves working through code line-by-line, tracking variable values, and predicting output before running the code. A tutor can help you develop systematic tracing habits and identify common patterns (like off-by-one errors in loops) that appear repeatedly on the exam.

The key is to break each problem into smaller, manageable parts rather than trying to write the entire solution at once. Start by identifying what data structures you'll need, write helper methods first, and test your logic with simple examples before handling edge cases. Time management is critical—you have roughly 22 minutes per problem, so practicing under timed conditions is essential. Many students benefit from learning a consistent template for approaching different problem types (searching, sorting, 2D arrays, etc.) so they don't waste time deciding how to structure their code.

These concepts are abstract, so they require moving beyond memorizing definitions to actually seeing them in action. Start by understanding that inheritance lets you reuse code by creating parent-child class relationships, while polymorphism lets you use a parent class reference to call child class methods. The exam often tests whether you can predict which method will execute in a polymorphic situation—this requires tracing through class hierarchies carefully. Working through progressively complex examples with a tutor, from simple parent-child relationships to multi-level inheritance, helps solidify when and why to use these tools.

Ideally, start taking full practice tests 4-6 weeks before the exam so you can identify weak areas early. Take at least 3-4 complete, timed practice tests under exam conditions—this builds stamina and reveals your pacing issues. After each test, spend time analyzing wrong answers: Did you misread the question? Trace code incorrectly? Run out of time? This diagnostic work is more valuable than taking more tests. A tutor can help you analyze practice test results strategically and focus your remaining study time on the specific concepts and question types where you're losing points.

Debugging is critical because the free response section requires writing code that actually works—partial credit is limited if your logic is fundamentally flawed. Students who develop strong debugging habits can catch their own mistakes during the exam, which saves time and points. The exam doesn't explicitly test debugging, but students who can systematically identify why code isn't working as expected write better solutions faster. Learning to use print statements strategically, test edge cases, and think through your code before writing it are habits that distinguish students scoring 4s and 5s from those scoring 2s and 3s.

Look for someone who has recent experience with the AP Computer Science A curriculum and can explain both the 'what' and the 'why' behind concepts like inheritance and polymorphism. They should be comfortable live-coding and walking through free response problems under timed conditions, since that's where you'll gain the most confidence. Strong tutors also help you develop a personal study strategy based on your specific weak areas—whether that's code tracing speed, free response time management, or conceptual understanding of certain topics. Ask about their experience with exam grading rubrics, since knowing exactly what graders are looking for in free response answers directly impacts your score.

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