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Award-Winning IB Computer Science HL Tutors

Wesley

Certified Tutor

Wesley

Bachelor of Science, Biomedical Engineering
Wesley's other Tutor Subjects
AP Calculus AB
IB Mathematics SL
IB Mathematics HL
IB Mathematical Studies SL

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 Materia...

Education

University of California-Irvine

Bachelor of Science, Biomedical Engineering

Test Scores
SAT
1570
Dennis

Certified Tutor

Dennis

Bachelor in Arts, Communication
Dennis's other Tutor Subjects
Calculus
Algebra
College Essays
Literature

I'm looking forward to helping students solve specific problems and teaching them in a way that they understand - whether that is fast-paced and technical or "just getting through it" - we will figure out how to work through your issues together.

Education

Rutgers University (New Brunswick)

Bachelor in Arts, Communication

Muntaser

Certified Tutor

Muntaser

Bachelors, Computer Engineering
Muntaser's other Tutor Subjects
College Algebra
Trigonometry
Pre-Calculus
Geometry

I am a graduate of Illinois Institute of Technology. I received my Bachelor of Science in Computer Engineering with a focus on Backend Software Development. During my stay in Illinois Tech I had experience as a Teaching Assistant (Java) for two years. Since graduation, I have worked as Software Engi...

Education

Illinois Institute of Technology

Bachelors, Computer Engineering

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
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
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
Sami

Certified Tutor

9+ years

Sami

Bachelor of Science (Economics and Computer Science)
Sami's other Tutor Subjects
Pre-Algebra
Statistics
Geometry
Calculus

I am a Duke University graduate in Economics and Computer Science. I am currently pursuing an MBA degree at the Yale School of Management. I have worked in the financial field, both at a management consulting firm and a fortune 500 company. My hobbies include playing and coaching soccer.

Education

Duke University

Bachelor of Science (Economics and Computer Science)

Yale School of Management

Current Undergrad Student, Business Administration and Management

Test Scores
ACT
35

Meet Our Expert Tutors

Connect with highly-rated educators ready to help you succeed.

Sharon

Pre-Algebra Tutor • +29 Subjects

I am a graduate of the University of Chicago, and I will be starting a graduate program at Columbia in August. I am about to complete a year of service with City Year, an education non-profit that places young adults into under-served schools. As a City Year member, I worked full-time in the classroom with middle-school students who were in approximately the 10th percentile for math (meaning they score lower than 90% of students). One-fourth of those students were able to grow around 15 percentile points by the end of the year! Hobbies: reading, cooking, gardening, music, art, nature, books, writing

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Annie

Pre-Algebra Tutor • +28 Subjects

I am currently a second year medical student. I was a Physiological Sciences major at UCLA (class of 2015), and pursued research during my gap year between undergrad and medical school.

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Tony

Calculus Tutor • +28 Subjects

I am a recent graduate of Yale University and incoming first year medical student at Columbia University. Originally from the DC area, I have always had a passion for science and medicine and pursued a degree in Biology while at Yale. During the 2008-2009 academic year, I tutored science, math, English, history, and Mandarin Chinese part-time with a DC-based tutoring company. At Yale, I worked as a freshman counselor to provide academic and career advice to incoming freshmen. I have taken both SAT and MCAT test prep classes and am familiar with both tests as well as the preparation necessary to score well. My personal career goals include attending medical school to pursue either immunology/infectious diseases or psych/neurology, teaching biology at the university level, and working in public/global health with either the CDC or the WHO.

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Matthew

Pre-Algebra Tutor • +39 Subjects

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 in NYC and tackle even the most hard-science of problems with a top-down, big-picture, holistic approach. If you have a propensity to look at problems in a cross- or inter-disciplinary manner (or want to learn how to do so), I'm the tutor for you!

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Charles

AP Calculus AB Tutor • +25 Subjects

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 describe my tutoring style as one that adapts to each students' needs. For example, I have always tried to frame questions in a different way so that the student can better understand the question. Some students need visual representations of numbers and systems to understand them, and others benefit more by understanding the concepts behind each formula. I prefer to tutor in math and physics, and especially with real world application problems. I hope to help students improve their standardized test scores and their understanding of the math and sciences so that they can achieve their academic goals! Hobbies: art, books, running, reading, music, writing

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Tiffany

Pre-Algebra Tutor • +56 Subjects

I am available to tutor a broad range of subjects, I am passionate about test preparation, Accountancy, and Algebra.

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MaryAnn

Calculus Tutor • +21 Subjects

I am a published author who has enjoyed “coaching” our daughter, as she navigated through high school, college and graduate school. I mentor college juniors who are seeking careers in financial services, and I serve as a peer resource to professionals who are transitioning from private industry to the nonprofit sector. Hobbies: reading, cooking, writing, books, music, art, travel

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Samuel

AP Calculus AB Tutor • +29 Subjects

I am a freshman at Caltech majoring in Applied and Computational Mathematics. My favorite subject to tutor is math because I find it very rewarding to simplify complex topics to aid in understanding. I have lots of tutoring experience. In high school, I ran and taught an SAT prep class and was vice president of my school's NHS chapter where I ran our tutoring program, and I, myself, tutored. I also was a teaching assistant in the summer of 2020 for a class in discrete mathematics through a program called PACT (Program in Algorithmic and Combinatorial Thinking). I love learning and hope to make the process enjoyable for you!

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Quinn

Calculus Tutor • +17 Subjects

I am willing to address any issue with an open mind and I try to develop strategies that play to a student's strengths. I would like to think I am very approachable and personable, and I have had very positive experiences with many students in the past using this philosophy. Outside of academics, I love playing basketball and watching sports, as well as chilling with friends, listening to music, and keeping up with politics and current affairs.

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Zachary

Trigonometry Tutor • +35 Subjects

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 to excel in both general academics and standardized tests.

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Frequently Asked Questions

Students often find object-oriented programming (OOP) principles—particularly inheritance, polymorphism, and encapsulation—challenging to apply in practice. The transition from understanding syntax to designing robust algorithms and data structures (trees, graphs, sorting/searching) trips up many learners. Additionally, the Internal Assessment (IA) project requires students to independently plan, develop, and evaluate a solution, which demands both technical depth and clear documentation—skills that don't always develop naturally from exam prep alone. Tutors can break down these abstract concepts with concrete examples and guide students through the IA process step-by-step.

Effective debugging starts with understanding what your code is *supposed* to do, then systematically isolating where it diverges. Use print statements or a debugger to trace variable values at key points, test edge cases (empty inputs, boundary values), and read error messages carefully—they often pinpoint the exact line causing problems. Many IB students jump straight to rewriting code when a methodical approach would save time. A tutor can model this debugging mindset, teach you to read stack traces, and help you develop the habit of testing incrementally rather than writing large blocks before checking if they work.

Syntax is the grammar of a language (how to write a for loop or declare a variable), while algorithmic thinking is the logic of *solving* a problem (breaking it into steps, choosing the right data structure, analyzing efficiency). You can memorize syntax quickly, but algorithmic thinking requires practice designing solutions, understanding trade-offs (time vs. space complexity), and recognizing patterns across different problems. IB Computer Science HL exams test both, but the harder questions reward algorithmic insight. Tutors help you move beyond "how do I write this?" to "what's the best way to solve this problem?" by working through problems together and asking you to explain your reasoning.

The IA requires you to identify a problem, design a solution, code it, and write a detailed report—all independently. A tutor can help you scope a project that's ambitious enough but achievable, guide you through planning (pseudocode, data structures, user interface mockups) before you code, review your implementation for code quality and efficiency, and help you articulate your design decisions and testing approach in your written documentation. They won't write the code for you, but they'll ask clarifying questions that push you to think deeper about your choices and catch common pitfalls like poor variable naming or missing edge case handling.

Code review forces you to read and understand someone else's logic (or your own code from weeks ago), which builds the critical thinking skills IB exams test. It exposes you to different approaches and helps you recognize when code is inefficient, hard to follow, or missing error handling. During tutoring sessions, a tutor can review your code, ask why you made certain choices, suggest refactoring opportunities, and model how professional programmers think about readability and maintainability. This practice also directly prepares you for the IA, where examiners evaluate not just whether your code works, but how well it's designed and documented.

Choosing the right data structure depends on what operations you need to perform frequently. If you need fast lookups by key, use a dictionary or hash table; if you need ordered access or frequent insertions/deletions at the middle, consider a linked list; if you need a hierarchy, use a tree; if you need to explore connections, use a graph. IB Computer Science HL emphasizes understanding *why* a choice matters—arrays are fast to access but fixed-size, while linked lists are flexible but slower to search. Tutors help you practice this decision-making by presenting problems and asking you to justify your structure choice, then analyzing the trade-offs in time and space complexity together.

Exam questions test your ability to write correct code quickly under time pressure, often with limited context and no ability to test incrementally. Real projects let you plan, iterate, debug, and refactor over time. IB Computer Science HL students need both skills: the precision and speed for Papers 1 and 2, and the planning and independence for the IA. A tutor can help you practice timed coding problems to build fluency, then shift gears to guide you through the messier, more realistic process of designing and building the IA project. This dual focus ensures you're prepared for both the exam and the practical programming skills the course is designed to teach.

Beyond knowing the language and curriculum, a strong tutor understands the IB assessment criteria (especially for the IA) and can explain not just *how* to code, but *why* certain approaches are better. They should be comfortable debugging with you, asking questions that help you think through problems rather than giving answers, and recognizing when a student is stuck on syntax versus stuck on logic. They should also have experience with the programming language(s) used in your course (Python, Java, or C++) and be able to relate coding concepts to real-world examples. Look for tutors who ask about your goals—whether you're aiming for exam mastery, IA success, or both—and tailor their approach accordingly.

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