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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

Jane

Certified Tutor

8+ years

Jane

Current Undergrad Student, English
Jane's other Tutor Subjects
ACT Prep
ACT English
ACT Math
ACT Reading

I am a current student at Princeton University, obtaining a major in English with minors in Environmental Studies and Musical Theater. I graduated from Sewickley Academy in 2016 as a member of the Cum Laude Society with highest honors for all semesters. I am an AP Scholar with Honors, an Academic Al...

Education

Princeton University

Current Undergrad Student, English

Test Scores
SAT
1540
ACT
34
Anna

Certified Tutor

5+ years

Anna

Current Grad Student, Communication Sciences and Disorders
Anna's other Tutor Subjects
ACCUPLACER ESL - Listening
ACCUPLACER ESL - Reading Skills
ACCUPLACER ESL - Sentence Meaning
ACCUPLACER Language Use

With each of my experiences working with children my passion for education has grown. I first came to Austin to work with a Spanish literacy intervention program through Americorps called A Community for Education (ACE). After my service with ACE I taught at a dual language (Spanish-English) school ...

Education

Oberlin College

Bachelors, Comparative American Studies

The University of Texas at Austin

Current Grad Student, Communication Sciences and Disorders

Deborah

Certified Tutor

10+ years

Deborah

Master of Arts, English
Deborah's other Tutor Subjects
6th Grade AP Language Composition
ACT Writing
Business
Business Writing

My MA in English with a concentration in Rhetoric and Composition, together with my MA in Adult Education and Continuing Education, qualified me to have a stellar forty-three-year career as a full-time college professor predominately in the University System of Georgia. I have successfully instructe...

Education

Georgia State University

Master of Arts, English

University of Missouri-Kansas City

Master of Arts, Adult and Continuing Education

University of Georgia

Bachelor in Arts, Political Science and Government

Deborah

Certified Tutor

10+ years

Deborah

Bachelor of Science, Mathematics
Deborah's other Tutor Subjects
Algebra
Algebra 2
Geometry
Math

Hi. I love math and I love teaching math. I am a state certified high school math teacher. I have 31 years of classroom experience. I currently teach Pre-Calculus and AP Statistics.

Education

Clark Atlanta University

Bachelor of Science, Mathematics

Katherine

Certified Tutor

Katherine

Current Undergrad Student, Computer Science
Katherine's other Tutor Subjects
ACT Science
ACT Writing
Adult Literacy
AP Computer Science Principles

Hi, my name is Katherine and I've been tutoring in various capacities since 2012. Although I'm currently studying Computer Science at Swarthmore College, I have expertise in a number of subject areas and I'd love to help you out.

Education

Swarthmore College

Current Undergrad Student, Computer Science

Test Scores
SAT
1530
Samantha

Certified Tutor

4+ years

Samantha

Juris Doctor, International Law
Samantha's other Tutor Subjects
3rd-5th Grade Science
1st-12th Grade Reading
1st-12th Grade Writing
1st-8th Grade Math

I believe every student has a unique learning skill set and every teacher continues to learn from her students. To ensure every student receives the best tutoring, I strive to offer excellent communication and a diverse set of teaching skills.I obtained my Bachelor in Business Administration from th...

Education

University of Wisconsin-Whitewater

Bachelor in Business Administration, International Business/French

Vermont Law School

Juris Doctor, International Law

Meet Our Expert Tutors

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

Christopher

Algebra Tutor • +7 Subjects

I am a current student at Rutgers University on track to major in Electrical Engineering. I tutor a wide range of math from elementary level up to high school and college. This range includes algebra, trigonometry, pre-calc and calculus. I have had many experiences through my high school and outside work at kumon learning centers in tutoring. I love helping students not only learn the material themselves, but being able to know it well enough that they can teach it themselves, achieving my goal of getting students to work autonomously without required help. The many interests I have outside of the classroom includes playing basketball, running, video games, and computer programming.

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Jerry

ACT Writing Tutor • +2 Subjects

Hey, I enjoy teaching math, computer science, and the SAT! Contact me if you are interested in these.

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Amy

College English Tutor • +13 Subjects

I have a B.A. in French and a diploma in Business French from the Chamber of Commerce and Industry in Paris. I also speak Greek, Italian, and Spanish.I have worked as a private tutor in the area of foreign languages, essay writing, and a variety of other subjects for more than a decade. In that time, I have witnessed the difficulties many students have when learning something that seems unfamiliar, uninteresting, or just makes no sense. Seeing this, I believe it is my responsibility to be a positive influence by ensuring that all my students do well and understand the material. For example, with French, I always give them a brief English grammar lesson beforehand which helps tremendously boost their confidence level as the foreign gradually becomes familiar.I am truly excited about working with students and encouraging them to excel. There is nothing more gratifying than seeing a student conquer his/her fears and expressing him/herself in a way he/she never thought possible. I work with each student’s specific needs in a patient yet firm manner. I also exhibit determination, empathy, and humor to make learning an enjoyable and rewarding experience. Most importantly, I am personable and understanding and believe that brings me closer to helping my students.In my free time, I love cooking Mediterranean/Greek cuisine and would love to open a restaurant one day. I also write poetry, short stories, etc. and am currently working on my first novel. Lastly, I adore knitting and crocheting cute, fashionable clothes and accessories for girls.

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Gabrielle

AP Biology Tutor • +25 Subjects

I am recent graduate of Binghamton University, with a Bachelor of Sciences in Biology. I am deeply committed to the value of education, and believe that learning is a gift and an opportunity for growth that should be available to everyone. For this reason, I am passionate about tutoring and helping students, so that everyone is able to not only do well in school, but to fall in love with learning in the process. Anyone can enrich themselves through learning. This is the foundation of my teaching philosophy: in addition to emphasizing results and academic achievement, I believe it is integral to find an individual approach to each student and to focus first and foremost on teaching students to study in a way that is effective and engaging. I tutor elementary, middle, and high school students in all subjects. In my free time, I like to go running, practice dance, learn new languages, and play ping-pong.

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Julie

Languages Tutor • +4 Subjects

I am a graduate of LaSalle University in Mexico City. I received my Bachelor of Science degree inBusiness Administration with a focus on management. I am also a certifiedteacher of Spanish. Since graduation I have worked in Human Resources and I havealso been tutoring children and adults in private and public schools, as wellas online. I am very enthusiastic about teaching my native language because Ifeel that in that way I am enriching my students' education and experiences inlearning aspects of another culture. One area where we seem to have the mostfun is prepping for exams and writing assignments. I am a firm proponent ofeducation, and as a tutor, my approach is based on each of my students'level of proficiency, their goals, and their learning pace. I focus on providinga pleasant and safe experience for my students. I prepare lesson plans that arecreative and introduce new topics in a fun way, spending enough time reviewingthe material. Afterwards, I allow students time to practice on their own. I encourage you to contact me to schedule so togetherwe can start achieving your goals

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Anna

ACT Writing Tutor • +27 Subjects

I honestly love tutoring. While working in finance and publishing over the past decade, I have independently tutored students from many premiere NY and NJ high schools and universities. I continued tutoring even after joining a major private equity firm because of how much I enjoy working one-on-one with students. Breaking down seemingly complex subjects is one of my favorite pastimes--it's part of the reason I also enjoy writing about arcane financial topics like quanto spreads on sovereign CDS. I've also developed a newfound respect for the challenges students face when undergoing years of testing after developing my own study plan to pass the first two CFA exams (I'm taking the third exam in June). This experience has shaped how I work with students to tackle test-taking anxiety and master difficult material quickly.I have both a BA and MA in English from New York University.

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Catherine

Algebra Tutor • +15 Subjects

Hello! My name is Catherine Raj and I am a second-year medical student at Ohio University Heritage College of Osteopathic Medicine. I graduated from The Ohio State University with a Bachelor's of Science in Neuroscience in 2022. Since 2015, I have tutored children from ages 3-16 in areas of math and reading, as well as their school curriculum. Apart from tutoring here, I have worked for the Kumon Learning Center as a teaching instructor for 5 years. While I am certified to tutor a broad range of subjects, I have years of experience with tutoring young children in math and reading, such as addition, subtraction, multiplication, division, phonics, reading comprehension, and much more. I connect with elementary and middle school students very well, as I believe in understanding children in order to give them a fulfilling tutoring experience. I also very much enjoy tutoring pre-algebra and algebra as those are my favorite math subjects, as well as my best! My students and I have always had a deeper level of understanding beyond the books and I pride my style of teaching on that aspect.

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Grace

ACCUPLACER Arithmetic Tutor • +22 Subjects

I am a graduate of Harvard Graduate School of Education (3.95 GPA) and New York University (3.98 GPA). I have worked with students of all ages. I love adapting my teaching style to the individual needs of each student to help them fulfill their greatest potentials.

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Sarah

Elementary School Math Tutor • +20 Subjects

I have been a special education teacher in Somerset County for the last 5 years. I have worked in self-contained classrooms and am currently working as a 4th grade resource room Reading and Math teacher. Next spring, I will graduate from Rutgers University's Graduate School of Education with an Ed.M in Reading Education. I will be a certified Reading Specialist as well as a certified supervisor. I am currently a certified Literacy Specialist.

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Chester

Creative Writing Tutor • +18 Subjects

I love English, and good writing. Since I like working one-or-one or with a small group, tutoring is a great way for me to help young people communicate more effectively in writing. As a social scientist, I also like to talking about statistics and social science. I like to teach by example and ask lots of questions so students can discover answers themselves. When not working, I like to watch movies, exercise, and write science fiction.

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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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