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Award-Winning AP Computer Science Tutors

Certified Tutor
2+ years
Apoorv
As a master's graduate in Applied Computing with a Computer Science background and over two years of hands-on software development experience, I'm all about making learning fun and engaging! I've had the chance to teach students of all ages, from 5th graders to college students studying Computer Sci...
University of Windsor
Master's/Graduate

Certified Tutor
2+ years
Hi! My name is Anagha, and I graduated from Princeton with a degree in Computer Science in 2023. I know how difficult applying for colleges can be while juggling difficult coursework, standardized testing, extracurriculars, etc. I'm here to help! I tutor for college essays, tests like the ACT and SA...
Princeton University
BS

Certified Tutor
2+ years
Harleen
I am a Molecular Engineering major at the University of Chicago, I am currently taking time off to focus on other aspects of my career but I don't want to stop tutoring outside college campus!. I am a child of immigrants and have spent my life tutoring my siblings and younger students, and I loved...
University of Chicago
BS

Certified Tutor
2+ years
Erik
I am a graduate from the University of Florida, University of Pennsylvania, and University of Illinois Urbana-Champaign. I have graduated with scholarship honors in Chemical Engineering with a Bachelor of Sciences from University of Florida, Masters of Computer and Information Technology from UPenn,...
University of Pennsylvania
MMG

Certified Tutor
2+ years
Joseph
I'm passionate about helping students because I believe everyone deserves the tools and preparation to build a brighter future. Education isn't just about learning facts, it's about discovering your potential, and I love being part of that journey. I've worked with students from all levels, from ...
Yonsei University
Master's/Graduate
Lehigh University
Bachelor

Certified Tutor
2+ years
Hi, my name is Bob Gannon. I am a retired Electrical Engineer with over 35 years of experience teaching other engineers and helping them understand difficult subjects. I have a bachelor's degree in Electrical Engineering from the University of Maryland and a Master's degree from Johns Hopkins Univer...
Johns Hopkins University
MNG

Certified Tutor
2+ years
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 favo...
University of Georgia
Bachelor

Certified Tutor
2+ years
Hi! My name is Tanish, and I am an undergraduate student at Johns Hopkins University seeking a bachelor's in biomedical engineering. Throughout high school, I set up free summer camps and tutored a wide range of subjects including math, English, biology, physics, and SAT prep. I am most passionate a...
Johns Hopkins University
Bachelor

Certified Tutor
2+ years
Alexandre
Hi! I'm Alexandre, I am a Machine Learning Engineer, so I write code to make AI do all sorts of stuff everyday. I have degrees in Applied Mathematics and Computer Science so if curious about how an area of math is useful in the real world I'd be happy to give a list of examples!
New York University
Master's/Graduate
Northwestern University
Bachelor

Certified Tutor
2+ years
Hello! My name is Abdullah Ahmed, and I'm a Canadian student currently pursuing a Bachelor of Science in Computer Engineering. As someone who has experienced diverse educational environments, I bring a unique perspective and a deep passion for helping students achieve their academic goals. With a s...
The University of Texas-Pan American
Bachelor
Top 20 Technology and Coding Subjects
Meet Our Expert Tutors
Connect with highly-rated educators ready to help you succeed.
Jake
Pre-Algebra Tutor • +34 Subjects
My passion for tutoring stems from my experience as a TA, where I discovered that effective teaching goes beyond just delivering content; it's about building relationships and instilling confidence in students. With over two years of tutoring experience in math and computer science, I focus on fostering an interactive learning environment where students actively engage with the material. I believe in the power of practice over passive learning, guiding students to identify their challenges and develop effective study habits. As a National Merit Scholar, I've honed my own test-taking strategies, which I enjoy sharing for SAT prep as well. I'm excited to support you on your academic journey!
Alex
AP Calculus AB Tutor • +40 Subjects
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 seemingly daunting areas, and I hope to make them more easily accessible for others. As a founding member of the Ready for College Leadership club (RCL), I mentored high school freshmen and sophomores to help them succeed in high school and prepare for college admissions, while also providing academic aid. The best part of working with students is watching them grow not just as a learner, but also as a thinker. I always encourage students to be curious and let their true interests be incorporated into lessons. In my spare time, I love learning languages; I am a heritage Spanish speaker and a self-taught Portuguese speaker. I also enjoy playing guitar and practicing new songs to sing.
Nina
AP Statistics Tutor • +66 Subjects
Recent Princeton graduate and very successful tutor with nearly 10 years of teaching experience! If you need help with anything from Calculus to essay writing, I can help! I have lots of experience with test prep - particularly the SAT!
Krishnabalaji
AP Calculus BC Tutor • +20 Subjects
I graduated from the high school of BASIS Chandler and I currently major in Computer Science at Arizona State University. While I did do some volunteer tutoring for Algebra I and II in high school, my more formal work experiences include teaching Math and English at Kumon to mostly primary and middle school kids and working as a Undergraduate TA at ASU to assist college freshmen with EEE 120 (Digital Circuit Design). While I can teach a broad range of subjects, my favorite ones to teach are programming and mathematics. What draws me towards instructing others is that having gone through education myself, I developed an ability to efficiently analyze and break down problems, and this is something that I'd like to pass down! As a bonus, each new piece of knowledge learned expands your world a little!
Brandon
Chemistry Tutor • +16 Subjects
I'm the science geek all grown up. I teach science and technology classes full-time and tutor when time permits. Biology, chemistry, Arduino, Python, Raspberry Pi, Java are my primary interests, but I also dabble in web design. I enjoy teaching, helping students figure the solution to challenging questions.
Lukas
Pre-Algebra Tutor • +48 Subjects
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 from Duke University with a Master's in computer engineering. I also have an education minor from my undergrad. My course load has included computer science, computer skills, physics, math, chemistry, biology, geology, history, English, and business. I have plenty of experience in teaching and designing course content. I have designed my own 30-hour online course and have excellent communication and motivation skills. My advanced degree tells you I have the academic background to teach most STEM or business subjects depending on the age range. My teaching style is focused on being effective. I am effective by learning what motivates my students, finding ways to personalize teaching material, and demonstrating the practical value of the knowledge they learn. I specialize in the following: GRE quantitative, GMAT, high school math, high school computer science, and college computer science.
Tyler
Pre-Algebra Tutor • +81 Subjects
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, renewable energy technology, supply chain management, and manufacturing systems. Additionally, my administrative expertise has honed my ability to provide structured and efficient support to learners of all levels. I have earned certifications from the Massachusetts Institute of Technology, International Business Machines (IBM), and the New York Institute of Finance, dedicating years to making complex concepts more engaging and accessible. My tutoring style is adaptive, ensuring that each student's unique learning needs are met with patience and clarity. I believe in creating a supportive learning environment where students feel confident in tackling challenges and mastering new skills. While I tutor a broad range of subjects, I am particularly passionate about STEM-related fields, as they shape the future of technology and innovation. Beyond academics, I enjoy exploring advancements in artificial intelligence, renewable energy solutions, and automotive technology. My goal is to inspire curiosity, critical thinking, and a lifelong love of learning in every student I work with.
Alan
AP Calculus BC Tutor • +45 Subjects
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.
Alliyah
AP Statistics Tutor • +111 Subjects
I'm a Harvard Senior studying computer science and neuroscience. I have over 10 years of experience tutoring and have also worked at top tech and research companies (IBM, SpaceX, Kempner Institute, etc.). I'm really passionate about making learning fun! I hope that sessions with me will make the material not just understandable but also enjoyable and applicable. I like incorporating technology, hands-on activities, and real-world applications into my STEM-based tutoring subjects. As a tutor, I specialize in Algebra (Algebra 1 and 2), Calculus (1, 2, and 3), Computer Science (Python, Java, Web Development), PSAT, and neuroscience/neurobiology.
Sean
Computer Science Tutor • +2 Subjects
I enjoy helping students understand both math and computer science by breaking complex concepts into clear, logical steps. I have experience tutoring math and introductory computer science topics and adapt my teaching style to each student, focusing on patience, encouragement, and real understanding rather than memorization. My goal is to make challenging subjects feel approachable and to help students build confidence and problem-solving skills they can carry into future classes.
Top 20 Subjects
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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