| GetStudying | Taking the stress out of student success | 3,156,499 |
| college | College | 2,893,089 |
| antiwork | Antiwork: Unemployment for all, not just the rich! | 2,864,406 |
| datascience | Data Science | 2,638,399 |
| AskEngineers | AskEngineers: Stop nodding, start asking questions. | 2,624,869 |
| AskHistorians | AskHistorians | 2,262,180 |
| cscareerquestions | Computer Science Career Questions | 2,219,560 |
| AskAcademia | AskAcademia: Questions for Academics | 2,057,808 |
| getdisciplined | Get Disciplined! | 1,895,584 |
| jobs | Jobs | 1,861,410 |
| FinancialCareers | Discussions On Careers In Finance | 1,556,234 |
| Advice | Advice | 1,466,015 |
| resumes | Resumes | 1,201,223 |
| ApplyingToCollege | ApplyingToCollege | 1,150,670 |
| nursing | Nursing for nurses and by nurses for the care of all. | 1,044,089 |
