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Award-Winning AP Computer Science A Tutors

Ravnoor

Certified Tutor

3+ years

Ravnoor

Bachelor of Science, Computer Science
Ravnoor's other Tutor Subjects
AP Calculus AB
Middle School Math
Calculus
Algebra

I am a undergraduate student at Cornell University. I am studying computer science in the College of Engineering. I have been tutoring in all subjects since 9th grade, mostly computer science and mathematics and SAT. My teaching philosophy is based on hands-on learning, and the motto of 'practice ma...

Education

Cornell University

Bachelor of Science, Computer Science

Test Scores
SAT
1520
Florence

Certified Tutor

5+ years

Florence

Bachelor of Science, Computer Science
Florence's other Tutor Subjects
Pre-Algebra
Trigonometry
Statistics
Pre-Calculus

I am a rising senior at Duke University. I major in Computer Science and am also getting a minor in Physics. I have had experience tutoring/teaching as a teaching assistant for three classes: Intro to Databases, Electricity and Magnetism (for engineers), and Computer Network Architecture. I have had...

Education

Duke University

Bachelor of Science, Computer Science

Test Scores
Perfect Score
ACT
36
David

Certified Tutor

9+ years

David

Master of Science, Computer Science
David's other Tutor Subjects
Competition Math
Calculus
Algebra
SAT Math

I am a graduate of Stanford University, where I received a BS in Cognitive Science and an MS in Computer Science. After graduation, I spent a summer in Palestine, where I taught web development, app development, and entrepreneurship to a cohort of overenthusiastic high school students; now, I've mov...

Education

Stanford University

Master of Science, Computer Science

Stanford University

Bachelor of Science, Cognitive Science

Stanford University

BS in Cognitive Science

Test Scores
SAT
1570
Alex

Certified Tutor

5+ years

Alex

Bachelor of Science, Computer Science
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

Bachelor of Science, Computer Science

Test Scores
SAT
1560
Jonathan

Certified Tutor

Jonathan

Bachelors, Chemical Engineering and Computer Science
Jonathan's other Tutor Subjects
AP Calculus BC
Pre-Algebra
College Algebra
Algebra 3/4

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 incl...

Education

Cornell University

Bachelors, Chemical Engineering and Computer Science

Test Scores
ACT
34
Dennis

Certified Tutor

9+ years

Dennis

Bachelor of Science
Dennis's other Tutor Subjects
AP Statistics
AP Calculus BC
AP Calculus AB
Pre-Algebra

I'm Dennis. I study physics, math, and computer science. I have done research about cosmic ray acceleration at supernova shock fronts in the Princeton University Department of Astrophysics, simulating how the turbulent plasmas push protons and ions. I have also worked at the Norfolk State University...

Education

Princeton University

Bachelor of Science

Test Scores
Perfect Score
SAT
1530
ACT
36
Pratik

Certified Tutor

8+ years

Pratik

Bachelor in Arts, Biology, General
Pratik's other Tutor Subjects
AP Statistics
AP Calculus BC
AP Calculus AB
Calculus

I'm a premedical student at Cornell University with extensive experience tutoring students, especially in chemistry at the high school and undergraduate level, writing at the high school and undergraduate level, and SAT/ACT prep.

Education

Cornell University

Bachelor in Arts, Biology, General

Test Scores
SAT
1550
ACT
35
Ronit

Certified Tutor

6+ years

Ronit

Bachelor of Science, Computer Science
Ronit's other Tutor Subjects
Calculus
Algebra
SAT Subject Test in Mathematics Level 2
SAT Reading

I am an incoming student at Yale University studying computer science and economics. I'm also interested in math and chemistry. My favorite area to tutor is SAT, specifically the SAT math section. In my spare time, I enjoy playing golf, cooking, and reading thriller novels. I'm excited to start work...

Education

Yale University

Bachelor of Science, Computer Science

Test Scores
SAT
1580
Margaret

Certified Tutor

9+ years

Margaret

Current Undergrad Student, Political Science and Government
Margaret's other Tutor Subjects
Middle School Math
Geometry
Calculus
Algebra

I am a Stanford student from Maryland studying Political Science and Computer Science. I graduated from high school in 2015, where I was active as the captain of my high school sailing team, a section leader in the orchestra, and part of the STEM magnet program Project Lead the Way. I am currently t...

Education

Stanford University

Current Undergrad Student, Political Science and Government

Test Scores
SAT
1550
Dylan

Certified Tutor

8+ years

Dylan

Bachelor of Science, Physics
Dylan's other Tutor Subjects
AP Calculus BC
AP Calculus AB
Pre-Algebra
Pre-Calculus

I'm a sophomore at Vanderbilt University, majoring in Physics and Classics and minoring in Mathematics and Computer Science. I'm qualified to teach a wide variety of subjects, but prefer to focus on the fields I'm studying in school listed above; I have a passion for those areas that I want to share...

Education

Vanderbilt University

Bachelor of Science, Physics

Test Scores
Perfect Score
ACT
36

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Tolu

AP Calculus AB Tutor • +28 Subjects

I am a graduate from Stanford University. I received my Bachelor's in Economics there and continued to receive a certificate in Full Stack Web Development from the University of Texas Austin. I have tutored intermittently, primarily teaching test prep; however, I have at different points taught most everything. Here in the Houston area, I've worked with Testmasters, C2 Education and Test Geek. I implement the Socratic Method into my teaching style: I ask plenty of questions that force students to deeply understand the material and to explain how they know why their answer is correct or not. I also believe it is my duty to equip students with tools to become better learners themselves which entails welcoming unique and creative approaches to solving problems, encouraging students to connect the relationships between different topics and subjects, and recommending using external sources and materials to learn and supplement understanding. Hobbies: art, travel, sports, reading, writing, books, traveling, music

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Ankit

AP Statistics Tutor • +48 Subjects

I am Ankit Jajoo. I am enrolled in Duke University Class of 2022 studying neuroscience and computer science. STEM is my number one passion, while history is my number one interest. Humanities and STEM not only coexist, but work together often in life. While STEM provides the foundation for the future, humanities contributes to how it is used to advance humanity as a whole. I love biology, chemistry, and computers. It is so cool to see how all these tiny minute parts of the world interact to create you, me, and everything we touch. On the other hand, history is cool to see how societies interacted to create the present world. The past is never separate from us, but always influencing everything from the various countries to cities to the tiny villages all over the world. The world is a combination of all of this and it is my passion to understand the world. Other than just about education and information, I love teaching other people about stuff. I enjoy teaching all my friends some stuff, in return they teach me other stuff. Contrary to popular opinion, teaching is a two way street. I've learned a tremendous amount from students and I hope they learned a similar amount from me. Tutoring students in a field I enjoy such as STEM or history is a dream come true.

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Rhamy

AP Calculus BC Tutor • +54 Subjects

I am a Thomas Jefferson High School for Science and Technology graduate and currently attend Vanderbilt University majoring in Computer Engineering with a minor in Business. I've tutored in various subjects for about 6 years now. I've done it so much, one of the companies I started was tutoring-based. In all, I am a technology-oriented entrepreneur, an impact-driven member of the community, and a striving academic. My passion for computer engineering and dedication to solving the world's problems push me to continue to be better tomorrow than I am today. I am currently pursuing a career in engineering and business where I hope to improve the lives of those around me every step of the way.

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Anna

Middle School Math Tutor • +49 Subjects

I am very passionate about teaching material in a way that works with each student's personal learning needs and making sure that they understand the material at its core, not just how to answer a test question. Because I majored in Neuroscience, I have expertise in a wide range of sciences, as Neuroscience is a very interdisciplinary subject. I have also had extensive experience in Computer Science. Outside of Neuroscience, I devoted a lot of time to studying the humanities. I even started a blog my junior year as an outlet to further pursue these academic interests! As a result, I also enjoy tutoring in Literature, English, and Writing. Hobbies: art, books, reading, music, writing

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Brice

AP Calculus BC Tutor • +47 Subjects

I am an undergraduate student at the Massachusetts Institute of Technology, and I have tutored students since my early high school years. I've had experience instructing and guiding a variety of students, from young middle schoolers taking their first steps into the world of computer programming to my own peers struggling with their calculus exams. Over the past year alone, I've worked with over 30 students, spending several hours each day to help them stay up to speed on their schoolwork. I specialize in many areas of math as well as computer science, biology and physics. When tutoring students, I draw on my own experience with learning the material to identify and address the obstacles they face. I believe that promoting a deeper level of understanding of the subject, as opposed to merely teaching to the test or problem set, will enable students to excel in the long-term. Hobbies: reading, music, writing, art, books

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Jack

Middle School Math Tutor • +33 Subjects

I am currently a student at The University of North Carolina at Chapel Hill pursuing a degree in Computer Science. I not only am incredibly passionate about programming and computer science, but about math and learning in general. I have experience teaching people young and old about computers and the way the work in depth. I love meeting new people and finding out the way they think so I can better serve them as a teacher.

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Rishik

AP Statistics Tutor • +47 Subjects

I am always excited to help others and would like to teach students to improve with their academic skills, help with home work, instant assistance and ace the college board tests, SAT I and SAT subject and AP Tests. I spent much time examining during my high school and would like to share my knowledge, experience, test tips, strategies and test time management skills.

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Sarah

AP Calculus AB Tutor • +51 Subjects

I'm a college student at Saint Vincent College in Latrobe, Pennsylvania. I am in my junior year of a computer science degree. Outside of classes, I work as a college tour guide, IT technician, and camp counselor. I love working with young people to plan for and achieve success, especially as it pertains to test and college prep. I have been working with young people from an early age, at summer camps, church groups, and as a part of my college's admissions department. I am ready to adapt to every student's unique learning styles and habits, and I hope to see my work inspire a boost in performance and confidence for many. Hobbies: art, reading, writing, books, music

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Wesley

AP Calculus AB Tutor • +72 Subjects

I am currently a graduate student at Institute of Optics at the University of Rochester conducting research in Biophysical Chemistry. I recently graduated in June 2017 from the University of California - Irvine with two Bachelor degrees. One was in Biomedical Engineering and the other was in Materials Science and Engineering. With two engineering degrees, I feel comfortable working with students in all realms of Math and Science.

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Manideep

Pre-Calculus Tutor • +35 Subjects

I am an undergraduate pre-medical student at Northwestern University. I am currently pursuing my degree in Biological Sciences and a minor in Business Institutions. I also work as a TA (teaching assistant) and RA (resident assistant) within the university, so I have practiced many interpersonal skills necessary to be an efficient tutor. As a student in a top-ten ranked institution, I can provide insight and tips for how to best prepare for studies in college.

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Frequently Asked Questions

Students often find inheritance and polymorphism conceptually challenging, especially understanding how to design class hierarchies and override methods effectively. The 2D array section trips up many students—particularly nested loops and manipulating rows and columns. Additionally, many struggle with ArrayList operations, especially when working with objects versus primitives, and understanding when to use enhanced for loops versus traditional indexing. Recursion is another major pain point; students grasp the concept but struggle to trace through recursive calls and recognize when recursion is the right approach versus iteration.

The free-response section gives you 90 minutes for four questions, so aim to spend roughly 20-22 minutes per question. A strong strategy is to read all four questions first, identify which ones feel most straightforward, and tackle those first to build confidence and secure points. When writing code, focus on the main logic before worrying about edge cases—partial credit is awarded for correct approach even if implementation has minor bugs. Practice writing code by hand during study sessions to simulate exam conditions, which helps you develop faster, cleaner code without relying on IDE autocomplete.

The 40 multiple-choice questions in 90 minutes gives you about 2 minutes per question. Don't spend more than 2-3 minutes on any single question—if you're stuck, mark it and move on. For code-tracing questions, write down variable values as they change rather than trying to track them mentally; this prevents careless errors. When a question shows code with output or asks what happens, try to trace through it step-by-step, and watch for off-by-one errors in loops and array indexing, which are common traps. If you finish early, review questions where you guessed or felt uncertain.

Tutors who specialize in AP Computer Science A focus on helping you recognize when to use encapsulation, inheritance, and polymorphism in real-world contexts, not just memorizing definitions. They guide you through designing classes from scratch—choosing appropriate instance variables, writing constructors, and determining which methods belong in parent versus child classes. This is critical because the free-response section often requires you to write or extend classes, and understanding design principles helps you write code that's both correct and efficient. Practice designing simple systems (like a student roster or inventory system) builds the intuition you need to tackle unfamiliar free-response scenarios.

On the exam, you won't have an IDE to run and test your code, so you need to spot logical errors by reading code carefully. Tutors help you develop this skill by giving you broken code and asking you to identify the bug—whether it's an off-by-one error in a loop, a missing return statement, or incorrect conditional logic. They also teach you to trace through code systematically, writing down what variables hold at each step. This practice directly translates to exam success because you'll be more confident in your own code and better at spotting mistakes in multiple-choice code-tracing questions.

Take full-length practice tests under timed conditions to build stamina and identify pacing issues before exam day. After each test, spend significant time reviewing every question you missed or found tricky—understand not just the correct answer, but why your approach was wrong. Focus especially on free-response questions; re-solve them multiple times until you can write clean, correct code without hesitation. Tutors can review your practice test work, point out patterns in your mistakes (like consistently misunderstanding ArrayList methods or struggling with nested loops), and target those weak areas with focused practice before your next attempt.

While the exam doesn't formally test Big O notation, understanding efficiency matters because free-response questions sometimes ask you to write code that solves a problem correctly, and inefficient solutions may not be optimal. More importantly, recognizing efficient versus inefficient approaches helps you write better code during the exam—for example, knowing that searching an unsorted ArrayList is O(n) but searching a sorted one can be optimized helps you think strategically. Tutors help you understand when to use enhanced for loops versus indexed loops, when ArrayList is better than arrays, and how to avoid nested loops when possible—practical efficiency skills that improve both your code and your exam performance.

Consistent practice with real exam-style questions is the most effective anxiety reducer—when you've solved similar problems dozens of times, the exam feels less intimidating. Tutors help by creating a low-pressure practice environment where mistakes are learning opportunities, not failures, and by breaking down complex topics into manageable pieces so you build competence gradually. Mock exams under timed conditions also help normalize the exam experience. Finally, having a tutor review your work and point out your actual strengths—areas where you consistently get questions right—helps counter the anxiety that comes from focusing only on weak spots.

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