
High School (G10–12)
High school classes include Write Lab, where your child writes academic and college application essays; Math Lab, which covers AP, IB, and A Level units too; and science, social studies, and Korean classes geared to school exams. Find the classes that fit your child's goals, then request a consultation.
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- I want to know where my child stands first.First, a diagnostic assessment shows your child's current level in each subject.
- My child has to write English essays, research papers, or college application essays.At the high school level of Write Lab, your child writes academic essays, research papers, and college application essays and revises them after written corrections.
- My child struggles in Korean high school math for grades 10–11, or in Precalculus or Calculus at an international school.In Math Lab, your child finds out why they got each problem wrong and practices until they can solve it again without help.
- School math is fine, but my child wants harder problems.In Math Lab, your child moves on to AP Calculus and math competition problems like AMC and AIME.
- I'm worried about my child's school science, social studies, or Korean classes.In science, social studies, and Korean, we choose what to study based on what your child is covering at school and what's on the next test.
- My child wants to read and critique books in depth, or we'd like career and admissions advice.In Critical Book Club, your child critiques advanced books in English. In consulting, we build a college plan with you one-on-one.
Write Lab
Write Lab: English Writing
Your child learns English reading, grammar, and writing together. We set their starting level based on how they write in English now and what they're aiming for.
- K–G1Telling stories through language playLanguage Play & Story Foundations
- G2–3Writing stories from experience and imaginationCreative Writing
- G4–5Organizing information to explain a topicInformative Writing
- G6–7Essays with a claim and evidenceAcademic Writing
- G8–9Analytical writing that compares sourcesPrep AP - IB Analogical Writing
- G10–11Research papers and college application essaysCollege Prep-Advanced WritingHigh school
What your child writes at the high school level
Essays that build a claim from several sources
Your child compares several English sources, picks evidence, cites the sources, and writes an academic essay.
Research papers that answer a research question
Your child sets a research question and writes a research paper with evidence and sources from academic papers and research materials.
Common App: college application essays
Your child picks experiences that fit the essay prompt, writes so their own thinking comes through, and revises with feedback.
Topics your child reads and writes about
Your child reads English texts on topics like philosophy and ethics, political science, sociology, advanced economics, neuroscience, basic quantum mechanics, and AI technology, and uses them as material for writing. Fields are chosen to match your child's interests and goals.

Math Lab
Math Lab: High School Math
Your child studies Korean high school math for grades 10–11 alongside AP, IB, and A Level math. They skip concepts they've already learned and compare how the same concept appears in Korean textbooks and in international courses.
Korean curriculum, G10–11
- Common Math 1
- Common Math 2
- Algebra
- Calculus
International courses, G10–11
- Pre-Calculus (the course before calculus) and beyond
- A-Level Math (AS)
- BP Math AA/AI (SL/HL Core)
- AP Precalculus · AP Calculus
Your child goes from finding the answer to writing a full proof
- Find the answerANSWER
- Explain why they chose that methodREASON
- Give a reason each step is correctJUSTIFY
- Write the whole solution as an airtight proofPROVE
Your child solves problems on their own and redoes the ones they got wrong
Learn Korean terms and English terms side by side
In functions, calculus, vectors, and statistics, your child pairs each Korean term with its English term, such as domain and range.
Practice answers in each exam format
Your child solves short-answer, written-answer, proof, and graph-analysis problems in the formats of school tests and AP, IB, and A Level exams.
Redo problems they got wrong
Your child finds why they got a problem wrong and works the same type until they can solve and explain it alone.
Take on harder problems
Once your child can handle school math alone, they move on to AP Calculus or AMC and AIME problems.
What your child learns in each subject
Each subject covers different high school material and is taught in its own way.
Math
Korean high school math for grades 10–11; Algebra II, Precalculus, and Calculus; AP, IB, and A Level math
Your child looks at equations and graphs side by side and explains the reasoning behind each solution.
See G10–11 Math LabEnglish
School English essays, academic essays, research papers
Your child builds a claim and evidence that answer the assignment's question, then revises both the logic and the English.
See English classes for international school studentsScience
Biology, Chemistry, and Physics courses and exams; lab reports
Your child reads data and graphs and backs up their explanations with experiment results.
See high school scienceSocial Studies & History
Issues and differing viewpoints in history, economics, and politics
Your child weighs sources, picks evidence, and argues a position in discussions and essays.
See high school social studies and historyKorean
Nonfiction, literature, and grammar; past CSAT (Korea's college entrance exam) questions, EBS prep books, and hard mock exams
Your child practices finding evidence in the passage to judge answer choices under a time limit.
See high school Korean
IB students can also take LABCO IB Support, a one-on-one online class where they review with their school's unit plans, assignments, and assessment materials and prepare for assessments.
See classes that use IB school materialsFind your child's school subjects in grades 10–12
These are the courses students usually take each year in US AP, IB, UK A Level, and the Korean curriculum. The grade and course name can vary by school.
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| Grade | US AP | IB | UK A Level | Korean curriculum |
|---|---|---|---|---|
| G10 | AP Precalculus, advanced statistics | Pre-IB Math | IGCSE Additional Math | Math I/II (Korean high school courses) |
| G11 | AP Calculus AB, AP Statistics | Math AA and AI (SL/HL) | AS Math | Math I/II, Probability and Statistics |
| G12 | AP Calculus BC, AP Statistics | Math AA and AI (SL/HL) | A2 Math, Further Math | Calculus, Geometry (electives) |
| Grade | US AP | IB | UK A Level | Korean curriculum |
|---|---|---|---|---|
| G10 | AP Biology, advanced Chemistry | Pre-IB Sciences | IGCSE Bio, Chem, Phys | Physics, Chemistry, Life Science I/II |
| G11 | AP Biology, AP Chemistry, AP Physics 1: Algebra-Based | Bio, Chem, Physics SL/HL | AS Bio, Chem, Phys | Science electives I (life science, physics, chemistry, earth science, and more) |
| G12 | AP Physics C, AP Environmental Science | HL/SL sciences (continued) | A2 Bio, Chem, Phys | Science electives II (choose 2) |
| Grade | US AP | IB | UK A Level | Korean curriculum |
|---|---|---|---|---|
| G10 | AP English Language and Composition (advanced) | Pre-IB English | IGCSE English Literature | Listening and reading basics, starting EBS prep books |
| G11 | AP English Language and Composition, AP English Literature and Composition | English A SL/HL | AS English Literature | EBS reading and listening, national mock exams |
| G12 | AP English Literature and Composition | HL/SL English (continued) | A2 English Literature | Listening, advanced reading |
How your child's G10–12 class plan takes shape
The plan follows the courses your child takes, whether AP, IB, A Level, or Korean school subjects.
Tell us their courses and exams
Tell us your child's grade, the courses they take, and the exams they're preparing for, and together we'll choose the subjects they need now.
Plan each subject
We look at diagnostic assessment results and exam dates together and set a class plan for each subject.
Use assessments to set what's next
End-of-month assessments and quarterly achievement assessments show what to review and what to study next.
Along with assessment results, we suggest the course your child should take next.
See how parents get progress updatesG10–12 special programs
Beyond Write Lab and Math Lab, your child can sign up for a class where students critique books in English, and for academic, career, and admissions consulting.
Students in Grade 7 and up
Critical Book Club
Your child reads and critiques advanced literature and nonfiction on social and philosophical topics, then writes and presents in English.
See Critical Book ClubStudents in all grades, K–12, and their parents
Academic, Career & Admissions Consulting
We build a long-term academic plan one-on-one around goals like college in the US, UK, or Europe, or medical school.
See Academic, Career & Admissions Consulting
Plan your child's G10–12 classes
Start with the courses your child takes and the goals they're working toward, and we'll recommend high school classes to match.