Award-Winning 12th Grade AP Computer Science Tutors serving Harrisburg, PA

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Award-Winning 12th Grade AP Computer Science Tutors serving Harrisburg, PA

Isha

Certified Tutor

2+ years

Isha

Master's/Graduate
Isha's other Tutor Subjects
12th Grade AP Computer Science
10th-11th Grade Computer Science
10th Grade math
6th Grade AP Statistics

As a dedicated tutor with a Master's degree in Computer Science from the University of Iowa, I am passionate about helping students unlock their potential in subjects such as Algebra, Calculus, and Python. With over 2 years of experience in tutoring and classroom settings, I focus on creating a supp...

Education

University of Iowa

Master's/Graduate

Kate

Certified Tutor

Kate

Masters, Environmental Engineering
Kate's other Tutor Subjects
AP Calculus BC
AP Calculus AB
College Algebra
Pre-Calculus

I'm available to tutor biology, chemistry, physics, math from Algebra up through AP Calculus, SAT test prep, and French. I've been tutoring students in science and math for 7 years. I also spent 8 months working and studying in France, and have tutored high school and adult students in French. When ...

Education

Massachusetts Institute of Technology

Masters, Environmental Engineering

Massachusetts Institute of Technology

Bachelors

Test Scores
SAT
1580
Jessica

Certified Tutor

Jessica

PHD, Medicine
Jessica's other Tutor Subjects
College Algebra
Calculus
Algebra
Honors Chemistry

I am a licensed physician from Florida who is currently changing careers. I graduated from the University of Pennsylvania in 2009 and have extensive tutoring and editing experience. While a student, I became a certified writing tutor through the Critical Writing Department. Since I completed my writ...

Education

Nova Southeastern University

PHD, Medicine

University of Pennsylvania

Bachelors, History

University of Pennsylvania

undergraduate

Test Scores
SAT
1540
Jai

Certified Tutor

9+ years

Jai

Bachelors in Electrical Engineering and Computer Science
Jai's other Tutor Subjects
Calculus
Algebra
Electrical Engineering
ACT Writing

I'm a recent Stanford graduate (Electrical Engineering and Computer Science), and have been working at a major Management Consulting firm for a few years now. I personally scored a 2360 (out of 2400) on the SAT and 35 on the ACT and was successful in gaining admission to several top universities. I'...

Education

Stanford University

Bachelors in Electrical Engineering and Computer Science

Test Scores
SAT
1590
ACT
35
Erika

Certified Tutor

Erika

Master of Public Policy, Public Policy
Erika's other Tutor Subjects
Pre-Algebra
Middle School Math
Calculus
Algebra

I am available to tutor middle and high school math, history and test prep. I have tutored math and history in the past and I previously taught a test prep course at a school in Hanoi, Vietnam. I have a lot of experience teaching all the need-to-know tricks to doing great on the SATS/ACTS! When I am...

Education

Harvard University

Master of Public Policy, Public Policy

Test Scores
ACT
32
Rhea

Certified Tutor

6+ years

Rhea

Bachelor of Science, Biology, General
Rhea's other Tutor Subjects
AP Statistics
AP Calculus BC
AP Calculus AB
Pre-Algebra

I am a current student at the University of Chicago. I am working towards a Bachelor of Science in Biological Sciences, and I am on the pre-medical track. I am extremely passionate about tutoring, and I have several years of experience tutoring students in my high school's learning center in various...

Education

University of Chicago

Bachelor of Science, Biology, General

Test Scores
Perfect Score
SAT
1550
ACT
36
Jeffrey

Certified Tutor

6+ years

Jeffrey

Doctor of Philosophy, Mechanical Engineering
Jeffrey's other Tutor Subjects
Pre-Calculus
Geometry
Calculus
Algebra

I am enrolled in the Mechanical Engineering PhD program at Rice University which will begin Fall 2020, and I am hoping to return to academia as a professor after earning my PhD. In the meantime, I am looking to share my passion for gaining knowledge, specifically in STEM, by educating the up and com...

Education

University of Notre Dame

Bachelor of Science

Rice University

Doctor of Philosophy, Mechanical Engineering

Test Scores
ACT
34
Matthew

Certified Tutor

Matthew

Bachelors in Human Biology (concentration in Bioinformatics and Stem Cell Science)
Matthew's other Tutor Subjects
Pre-Algebra
College Algebra
Algebra 3/4
Arithmetic

I'm a highly creative person who works best with visual thinkers. Very recently graduated from Stanford University, I majored in Human Biology with a concentration in Bioinformatics and Stem Cell Science. Technical though my background may be, I am currently gigging as a singer/songwriter/composer i...

Education

Stanford University

Bachelors in Human Biology (concentration in Bioinformatics and Stem Cell Science)

Test Scores
SAT
1510
Zachary

Certified Tutor

10+ years

Zachary

Bachelors, Biochemistry and Biophysics
Zachary's other Tutor Subjects
Trigonometry
Statistics
Calculus
Algebra

I am passionate about teaching and tutoring and I thoroughly enjoy helping students gain an understanding and a drive for their studies. I have a long history of working with students of all grade levels and abilities (elementary school through college), and I have a good understanding of strategies...

Education

Yale University

Bachelors, Biochemistry and Biophysics

Test Scores
SAT
1530
ACT
33
Samantha

Certified Tutor

10+ years

Samantha

Current Grad Student, MD
Samantha's other Tutor Subjects
Pre-Algebra
College Algebra
Algebra 3/4
Geometry

I'm a first-year medical student and recent graduate from Duke University, where I studied Global Health Determinants, Behaviors, and Interventions. From running a piano program at a nonprofit children's theatre to private tutoring in math, science, and standardized test prep, I enjoy helping my stu...

Education

Duke University

Bachelors in Global Health Determinants, Behaviors, and Interventions

Harvard Medical School

Current Grad Student, MD

Test Scores
Perfect Score
SAT
1600
ACT
36

Frequently Asked Questions

AP Computer Science A covers object-oriented programming fundamentals using Java, including variables and data types, control structures, arrays and ArrayLists, object-oriented design, inheritance and polymorphism, and algorithms. The course also emphasizes problem-solving strategies, code analysis, and understanding how algorithms perform with different data sizes. Students for 12th grade in Harrisburg typically spend the year building these skills through progressively complex coding projects and practice problems before the May exam.

The AP Computer Science A exam consists of two sections: a 90-minute multiple-choice section with 40 questions covering concepts and code analysis, and a 90-minute free-response section with four coding questions where you write and debug Java code. Success requires both conceptual understanding and hands-on coding practice, which is why many students benefit from focused preparation that addresses their specific weak areas.

Many students struggle with understanding object-oriented principles like inheritance and polymorphism, debugging complex code, and managing time during the free-response section. Others find it difficult to trace through algorithms mentally or recognize when to use specific data structures like ArrayLists versus arrays. Personalized 1-on-1 instruction helps identify which concepts are causing confusion and builds confidence through targeted practice on those exact topics.

Score improvement depends on your starting point and how much you practice, but students typically see meaningful gains—often 1-2 score levels—when they work with a tutor to close knowledge gaps and develop strong problem-solving strategies. The key is consistent practice on free-response questions, understanding why you miss multiple-choice questions, and building fluency with Java syntax. Varsity Tutors connects you with expert tutors who can create a study plan tailored to your specific needs and timeline.

Your first session focuses on assessment and goal-setting. The tutor will review your current understanding of key concepts, discuss which topics feel most challenging, and learn about your learning style and pace. This helps establish a personalized roadmap for the remaining weeks before the exam, whether you need deep conceptual review or intensive free-response practice.

Practice tests are essential—they help you understand the exam format, identify weak areas, practice pacing under timed conditions, and build test-taking confidence. Taking full-length practice exams every 1-2 weeks, then reviewing mistakes with a tutor, is one of the most effective ways to improve. This combination of practice and targeted feedback helps you avoid making the same mistakes on test day.

Look for tutors with strong Java programming experience, a track record of helping students succeed on the AP exam, and the ability to explain complex concepts clearly. Ideally, they've taken the AP exam themselves or have extensive teaching experience with the curriculum. Varsity Tutors connects you with expert tutors in Harrisburg who understand the AP Computer Science A course inside and out and know how to help you master both conceptual understanding and coding skills.

For the multiple-choice section, aim to spend about 2 minutes per question, leaving time to review. For free-response, allocate roughly 22-23 minutes per question—start by reading carefully, planning your approach, then coding and testing. Many students benefit from practicing with timed sections to develop a rhythm that works for them. A tutor can help you find a pacing strategy that matches your coding speed and builds in time to catch careless mistakes.

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