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Award-Winning College Computer Science Tutors

Justin

Certified Tutor

9+ years

Justin

Doctor of Philosophy, Computational Mathematics
Justin's other Tutor Subjects
AP Calculus BC
AP Calculus AB
Pre-Algebra
Multivariable Calculus

College CS courses ramp up fast — suddenly students are expected to analyze algorithm runtime, implement trees and graphs, and reason about computational complexity. Justin's PhD work in computational mathematics at the University of Chicago gave him deep fluency with these concepts, and he unpacks ...

Education

Washington University in St. Louis

Bachelor's in Physics and Mathematics

University of Chicago

Doctor of Philosophy, Computational Mathematics

Test Scores
SAT
1560
ACT
33
Isabella

Certified Tutor

9+ years

Isabella

Current Grad Student, Operations Research
Isabella's other Tutor Subjects
Pre-Algebra
Middle School Math
Geometry
Calculus

College CS ramps up fast — one week it's asymptotic analysis, the next it's graph algorithms or dynamic programming — and Isabella's experience TA'ing these courses at MIT means she knows the exact jumps that trip students up. She connects abstract concepts like Big-O notation and recursion trees to...

Education

Massachusetts Institute of Technology

Bachelor of Science in Mathematics (minors in Management Science and Ancient and Medieval Studies)

Georgia Institute of Technology-Main Campus

Current Grad Student, Operations Research

Test Scores
SAT
1510

Certified Tutor

Julie

Bachelor in Arts, Philosophy
Julie's other Tutor Subjects
6th-12th Grade math
9th-12th Grade Writing
9th-12th Grade Reading
AP Statistics

College CS courses ramp up quickly — one week it's Big-O analysis, the next it's dynamic programming or graph traversal. Julie's Statistics and Machine Learning certificate at Princeton means she's tackled these topics herself in a rigorous academic setting, and her philosophical training gives her ...

Education

Princeton University

Bachelor in Arts, Philosophy

Test Scores
SAT
1570

Certified Tutor

6+ years

Kevin

Master of Science, Computer Science
Kevin's other Tutor Subjects
Competition Math
Trigonometry
Pre-Calculus
Geometry

Upper-division CS courses ramp fast — one week it's graph algorithms, the next it's dynamic programming or concurrency. Kevin tackles these topics from the perspective of someone currently deep in Stanford's graduate CS program, where he's built projects in AI and systems that required exactly the k...

Education

Stanford University

Master of Science, Computer Science

Stanford University

Bachelor of Science

Test Scores
SAT
1590
ACT
35

Certified Tutor

9+ years

Daniel

Current Undergrad Student, Biomedical Engineering
Daniel's other Tutor Subjects
AP Statistics
AP Calculus AB
Pre-Algebra
Trigonometry

Biomedical engineering at Rice means Daniel writes code that actually does something — processing neural data, modeling biological systems, implementing algorithms that solve real problems. That applied perspective makes him especially effective at teaching data structures, object-oriented design, a...

Education

Rice University

Current Undergrad Student, Biomedical Engineering

Test Scores
SAT
1530

Certified Tutor

8+ years

Anna

Bachelor of Science
Anna's other Tutor Subjects
Middle School Math
Geometry
Calculus
Algebra

College CS courses ramp up fast — suddenly it's runtime analysis, graph algorithms, and recursive backtracking all in the same week. Anna's own extensive coursework in computer science means she can tackle these topics at depth, whether a student needs help debugging a linked-list implementation or ...

Education

Brown University

Bachelor of Science

Test Scores
SAT
1510

Certified Tutor

9+ years

Rhamy

Bachelor of Engineering, Computer Engineering, General
Rhamy's other Tutor Subjects
AP Calculus BC
Pre-Algebra
Trigonometry
Middle School Math

College CS ramps up quickly once you hit algorithm design, time complexity, and data structure implementation. Rhamy's Vanderbilt computer engineering coursework means he's recently worked through these exact problem sets, and he explains tricky topics like graph traversal and dynamic programming by...

Education

Vanderbilt University

Bachelor of Engineering, Computer Engineering, General

Test Scores
SAT
1570

Certified Tutor

Allison

Bachelor in Arts, Computer Science
Allison's other Tutor Subjects
Calculus
Algebra
ACT Writing
ACT English

College CS courses ramp up fast — suddenly it's not just writing code but analyzing algorithmic complexity, implementing data structures from scratch, and reasoning about correctness. Allison completed this progression at Dartmouth and tackles the conceptual leaps that textbooks gloss over, whether ...

Education

Dartmouth College

Bachelor in Arts, Computer Science

Test Scores
ACT
34

Certified Tutor

Michael

Bachelor of Science in Computer Science
Michael's other Tutor Subjects
Pre-Algebra
College Algebra
Trigonometry
Pre-Calculus

College CS courses ramp up fast once you hit algorithm analysis, graph traversal, and complexity proofs. Michael's B.S. in Computer Science from UCLA means he's worked through these topics rigorously and can unpack the math behind why a hash table lookup beats a linear search. He connects discrete m...

Education

University of California Los Angeles

Bachelor of Science in Computer Science

Test Scores
SAT
1560

Certified Tutor

June

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

Studying electrical engineering at Brown means June lives at the intersection of hardware and software, tackling data structures, algorithmic complexity, and systems-level programming on a daily basis. Her research background — including electrophysiology work that required real data processing — gi...

Education

Brown University

Bachelors, Electrical Engineering

Test Scores
SAT
1580

Meet Varsity Tutors Experts

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Florence

Pre-Algebra Tutor • +83 Subjects

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 industry experience in software development as an intern for IBM and a cybersecurity analyst for TIAA. Outside of school/work, I play the piano and train with the Duke Taekwondo Club. I have a strong background in computer science, physics, and math, but I love learning about and helping students with a wide variety of subjects!

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Nat

Pre-Algebra Tutor • +24 Subjects

I am a second year student in the Vanderbilt University School of Engineering. I am double majoring in Math and Computer Science and minoring in Engineering Management. I frequently tutored my friends and peers throughout high school and continue to do so in my college courses. While in high school, I also volunteered for Higher Achievement, an Academic Enrichment program for middle school youth in D.C. During the summer session,I taught the SSAT and reading classes, acted as a teachers' assistant and tutored individual scholars. I am very passionate about STEM and advancements in the tech field. I strongly value education, something my parents instilled in me from a young age, and I hope to spread my love of learning and the doors that a strong education can open to those around me. I love all things sports and fitness and my favorite activities are biking, running and yoga.

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Sakibul

AP Calculus BC Tutor • +33 Subjects

I'm Sakib, a graduate student at Rice, studying computational & applied mathematics. I have been tutoring ever since high school in a variety of subjects. I have been a Teaching Assistant for Calculus I & II, and Organic Chemistry I & II. I have also taught SAT for Kaplan for years and privately taught SAT, SAT Math/Chemistry as well as AP subject exams.

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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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William

AP Calculus AB Tutor • +33 Subjects

I am passionate about. As a chemical engineering student at Vanderbilt University, I have always been passionate about learning math and science. I have also particularly excelled in these fields, perhaps due to my passion, and I managed to score a 790 on the math SAT and SAT II. I also took 5 AP Exams as a high school student, receiving 5s in Calculus BS, statistics, computer science, biology, and chemistry. At my university, I received an honors scholarship for my academic performance in engineering, and I currently aspire to continue my education at a higher level. As a tutor, I will motivate students, set clear goals, and help students progress towards a higher level of understanding.

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Eric

AP Calculus BC Tutor • +27 Subjects

I am currently a freshman at Washington University in St. Louis majoring in computer science. In the future I plan on either working on cybersecurity or game design. While studying at Washington University, I am also on the football team and help watch over the weight room in the athletic complex. I am originally from Minnesota, and I have spent years working with kids ranging from 5th grade all the way up to high school. Whether it be tutoring or coaching, I find it so rewarding to see how much progress that anyone can make through the course of working hard and having fun doing it. When I tutor, I believe that being engaged is vital to learning. I am passionate about math and science, and love tutoring anyone in algebra and computer science. I enjoy solving logical puzzles, and I treat algebra the same way. I firmly believe that anyone can learn math and science, and have fun doing it. When I am not tutoring or studying, I enjoy football and lacrosse, as well as following all Minnesota teams.

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Abigail

Pre-Algebra Tutor • +78 Subjects

I am graduated from Penn State University in Industrial Engineering in 2017. I've tutored ever since I was in high school, and I love helping people! I like to help my students understand math (and other topics) instead of just doing it blindly. My goal is to help my students improve their math (and other topics) and build skills that will help them find learning easier in the future! Fun fact, I used to work for Disney and I like to salsa dance!

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David

Pre-Algebra Tutor • +64 Subjects

I'm a computer and social scientist. I hold graduate degrees from Columbia University and the University of Chicago and earned my bachelor's at the University of Texas at Austin. In addition to teaching at the undergraduate level, I research ways the natural sciences can be used to advance the study of anthropology and history. I am currently completing my PhD.

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Theresa

Pre-Algebra Tutor • +55 Subjects

I am a senior majoring in Biomedical Engineering at Rice University. I have had the opportunity to work on several projects through the Institute for Global Health at Rice, and I am passionate about designing globally accessible medical devices. I am an easy going but dedicated student. In my free time, I enjoy intramural sports, spending time with friends, and participating in design competitions.

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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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Frequently Asked Questions

Debugging is as much about methodology as it is about finding errors. A tutor can teach you systematic approaches like using print statements strategically, understanding stack traces, and using debuggers to step through code line-by-line. They'll help you develop the problem-solving mindset to isolate variables, test hypotheses about where bugs originate, and avoid common pitfalls like assuming your logic is correct when the real issue is a typo or off-by-one error. This hands-on practice accelerates your ability to independently troubleshoot code.

Syntax is the grammar of a language—how you write statements correctly—while logic is the algorithm and reasoning behind what you're trying to accomplish. Many students can memorize syntax but struggle to think through algorithmic problems or translate ideas into code structure. A tutor focuses on strengthening your logical thinking through pseudocode, flowcharts, and step-by-step problem decomposition before diving into language-specific syntax. This foundation makes learning new languages much easier and prevents you from getting stuck on "how do I write this" when the real challenge is "what approach solves this problem."

Data structures like arrays, linked lists, trees, and hash tables are abstract concepts that are hard to visualize without hands-on practice. Students often memorize definitions but can't identify when to use a particular structure or implement it correctly. A tutor walks you through concrete examples, helps you trace through operations (insertion, deletion, traversal), and builds intuition for trade-offs like speed versus memory. By implementing these structures from scratch and solving problems that require choosing the right data structure, you develop the deeper understanding needed for technical interviews and real-world coding.

Assignment completion focuses on getting the right answer; project-based tutoring focuses on the entire development process. A tutor guides you through planning a project's architecture, breaking it into manageable components, writing clean code, testing your work, and refactoring based on feedback. Whether you're building a web application, game, or data analysis tool, you learn software engineering practices like version control, code organization, and debugging in context. This approach bridges the gap between isolated coding exercises and the real problem-solving you'll do in internships or professional roles.

Effective code review goes beyond "does it work"—it examines readability, efficiency, and design patterns. A tutor reviews your code for clarity (naming, comments, structure), algorithmic efficiency (time and space complexity), and adherence to best practices for your language or framework. They'll point out where you're reinventing the wheel instead of using built-in functions, where your logic could be simplified, and where edge cases might cause failures. This feedback loop is invaluable because you learn not just to solve problems, but to solve them well—a skill that separates competent programmers from strong ones.

Computer science has many specializations—web development, data science, systems programming, game development—each requiring different foundational skills and tools. A tutor can help you identify your interests and build a focused learning path rather than trying to master everything. For example, a web development path emphasizes front-end and back-end frameworks, while data science prioritizes statistical thinking and libraries like NumPy and Pandas. By tailoring your practice problems, projects, and deeper dives to your goals, you develop expertise faster and stay motivated knowing how each skill connects to your target career.

Algorithmic thinking is the ability to break down complex problems into steps and recognize patterns you've seen before. Tutors help you build this skill by working through progressively harder problems, teaching you to identify problem categories (sorting, searching, dynamic programming, graph traversal), and practicing the thought process of approaching an unfamiliar problem. Rather than memorizing solutions, you learn frameworks like "what's the brute force approach, and how can I optimize it?" and "what data structure makes this more efficient?" Regular practice with a tutor who can ask guiding questions—instead of just giving you answers—develops the intuition you need to tackle interview problems and real-world coding challenges.

Error messages contain valuable information, but they're written in technical language that intimidates beginners. A tutor teaches you to parse error messages systematically: identify the error type (syntax, runtime, logic), locate the line number and context, and understand what the message is actually telling you. For example, a "NullPointerException" means you're trying to use an object that doesn't exist yet—not a mysterious failure. By working through errors together and discussing what each message means, you transform debugging from guessing to detective work. This skill accelerates your independence and reduces frustration when things go wrong.

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