The Earth and the citizens of the world standing before it at sunset

Education, World Wide

BRASA CR · Free education for the citizens of the world. Every school. Every level. In every language.

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A student reading by warm lamplight
Your
Education
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Law books, gavel, and scales symbolizing justice
Your
Government
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People standing together as a team
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Business
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Embers — the slow burn of constitutional fire
Your
BRASA
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The Class Central Curriculum · 27 tiles

Mathematics
Physics
Chemistry
Biology
Astronomy
Earth Science
Computer Science
Engineering
Medicine
Economics
History
Literature
Philosophy
Art
Music
Languages
Geography
Psychology
Civics & Law
Business
Life Skills
Programming
Data Science
Artificial Intelligence
Education & Teaching
The Universities
Career Certificates

The shape of the catalog

Open, in public.

250,000+
Courses. From Khan foundations to MIT graduate seminars.
1,000+
Institutions. Khan, MIT, Harvard, Stanford, Yale, and more.
12,000+
Subjects. Every level, every field.
7,100+
Languages. Every citizen, in their own.
$0
Cost. Constitutional, not commercial.
An open library — every shelf, every language
The full curriculum

Open the catalog.

Enter every course
A bridge in the Costa Rican rainforest — every learner has a path

Welcome to Education, World Wide. Every school, every level, every learner — in their own language, at no cost, for the rest of time.

BRASA CR · Costa Rica · 2026