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Award-Winning IB Computer Science SL 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
Sebastian

Certified Tutor

Sebastian

Current Undergrad, Computer Science
Sebastian's other Tutor Subjects
Calculus
Algebra
IB Language A: Literature HL
College Essays

I am currently working towards a bachelor's degree in Computer Science at the University of central Florida.

Education

University of Central Florida

Current Undergrad, Computer Science

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

Meet Our Expert Tutors

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

Sami

Pre-Algebra Tutor • +19 Subjects

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. Hobbies: reading, writing, art, books, music

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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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Frequently Asked Questions

IB Computer Science SL students most commonly struggle with object-oriented programming (OOP) concepts like inheritance and polymorphism, understanding recursion and how to trace through recursive calls, and translating algorithmic thinking into actual code syntax. The transition from pseudocode to real programming languages trips up many students, as does grasping data structures like linked lists and trees—not just how they work theoretically, but how to implement and manipulate them. Additionally, students often find the computational thinking required for the exploration project challenging, since it demands both technical depth and the ability to document their design process clearly.

A tutor can teach you systematic debugging techniques like using print statements strategically, understanding error messages deeply (not just fixing the line that errored), and learning to isolate problems through test cases. Rather than jumping to solutions, expert tutors help you develop algorithmic thinking by walking through logic step-by-step, asking you to predict what code will do before running it, and building habits like writing pseudocode first. This approach transforms debugging from frustrating trial-and-error into a structured problem-solving skill that applies across all programming contexts.

The exploration project requires balancing technical implementation with clear documentation of your design process—something many students underestimate. A tutor can help you scope a project that's ambitious enough to demonstrate your skills but achievable within the timeline, guide you through iterative development with meaningful testing, and ensure your documentation (design specifications, code comments, and reflection) clearly shows your computational thinking. They can also review your code for efficiency and elegance, helping you move beyond "it works" to "it works well," which significantly impacts your final grade.

OOP mastery comes from building real projects where you design and implement your own classes, not just studying theory. A tutor can guide you through designing class hierarchies, understanding when to use inheritance versus composition, and implementing polymorphism in practical contexts. Working through code reviews where a tutor explains why certain OOP patterns are better than others—and having you refactor your own code to apply those patterns—builds deeper understanding than lectures alone. Starting with simple classes and gradually increasing complexity helps cement concepts like encapsulation and abstraction.

Recursion is hard because it requires thinking about a problem in a fundamentally different way than loops—you must trust that the recursive case works and focus on the base case and one level of recursion, not the entire chain. Tutors help by having you trace through recursive calls on paper with concrete examples (like calculating factorial or traversing a tree), visualizing the call stack, and then implementing recursion in small, manageable problems before tackling complex ones. The breakthrough usually comes when you stop trying to "see" the whole recursion and instead verify the logic at each level—a shift in thinking that a tutor can help you make.

Syntax errors are frustrating but ultimately less important than algorithmic thinking—the real skill IB Computer Science SL assesses. A tutor can help you move past syntax struggles by encouraging you to write pseudocode or flowcharts before coding, using IDE features like autocomplete and error highlighting effectively, and building familiarity with your chosen language through consistent practice. Once you've written pseudocode that clearly expresses your logic, syntax becomes a lookup task rather than a conceptual barrier. This separation of concerns helps you develop strong problem-solving skills even as your syntax fluency naturally improves.

Data structures make sense when you understand the problems they solve. A tutor can help you see why arrays are fast for access but slow for insertion, why linked lists excel at dynamic sizing, and why trees are perfect for hierarchical data—by having you implement these structures and use them in real projects. Rather than memorizing Big O notation, you'll experience performance differences firsthand by writing code that searches a sorted array versus a linked list, or by building a binary search tree for an actual application. This hands-on experience builds intuition that sticks far better than theory alone.

Beyond "does it work," good code review focuses on readability (clear variable names, logical structure), efficiency (avoiding unnecessary loops or redundant operations), and elegance (using language features appropriately). A tutor reviewing your code will highlight patterns you're missing, suggest refactoring opportunities, and explain trade-offs between different approaches. They'll also help you develop a critical eye for your own work by asking questions like "could this be clearer?" or "is there a more efficient way?" rather than just telling you the answer. This reflective practice is especially valuable for the exploration project, where demonstrating awareness of code quality directly impacts your grade.

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