// best subreddits
Best subreddits for education
12 communities where education talk, ranked by size. Each one links to its rules, top posters, and the best time to post.
Built from public Reddit data, activity measured 2026-08-22 to 2026-09-19. Subreddits were sorted into industries by their own descriptions.
| # | Subreddit | Members | Posts / day |
|---|---|---|---|
| 1 | r/todayilearned You learn something new every day; what did you learn today? Submit interesting and specific facts about something that… | 40M | 109 |
| 2 | r/science This community is a place to share and discuss new scientific research. Read about the latest advances in astronomy, bi… | 34M | 37.0 |
| 3 | r/space Share & discuss informative content on: * Astrophysics * Cosmology * Space Exploration * Planetary Science * Astrobiolo… | 28M | 26.4 |
| 4 | r/askscience Ask a science question, get a science answer. | 26M | 192 |
| 5 | r/explainlikeimfive Explain Like I'm Five is the best forum and archive on the internet for layperson-friendly explanations. Don't Panic! | 23M | 91.9 |
| 6 | r/Awwducational Don't just waste your time-learn something! r/awwducational is your source for all cute things in the natural world. Ea… | 6.0M | 0.6 |
| 7 | r/biology A place to discuss all things biology! We welcome people and content from all related fields. | 5.2M | 16.5 |
| 8 | r/Economics Reddit's largest economics community. Serving as a central forum for users to read, discuss, and learn more about topic… | 5.2M | 25.3 |
| 9 | r/math This subreddit is for discussion of mathematics. All posts and comments should be directly related to mathematics, incl… | 3.8M | 35.8 |
| 10 | r/sciencememes | 3.7M | 11.9 |
| 11 | r/chemistry A community for chemists and those who love chemistry | 3.7M | 31.0 |
| 12 | r/GetStudying A community of motivated learners! Here we share tips, methods and experiences to improve our study habits. Join us to… | 3.1M | 54.3 |
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