STAAR Biology (EOC): Structure, Timing and Dates
Facts teachers need about STAAR Biology (EOC): how it is built, how long it takes, how it is scored and when it happens.
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- Run by
- Texas Education Agency
- Who takes it
- End of course
- Delivery
- Online
- Last checked
- 2026-10-20
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Texas state test at the end of the course, given online, based on the TEKS.
Test blueprint
, 40 points (Updated Fall 2025 (effective spring 2026)).
| Reporting category | Questions | Points |
|---|---|---|
| Biological Structures, Functions, and Processes | 12–14 | 13–16 |
| Mechanisms of Genetics | 7–9 | 8–11 |
| Biological Evolution | 7–9 | 8–11 |
| Interdependence within Environmental Systems | 5–7 | 6–9 |
Time rules
- Time rules: Expected minutes: 180; Max minutes: 420; Same day: Yes (source)
Scores and results
See the official page for how results are reported.
Dates for 2026 to 2027
| Year | What | Date |
|---|---|---|
| 2026-27 | fall eoc | Tue, 1 December 2026 to Fri, 11 December 2026 |
| 2026-27 | spring | Tue, 13 April 2027 to Fri, 23 April 2027 |
| 2026-27 | june eoc | Tue, 15 June 2027 to Fri, 25 June 2027 |
Dates from tea.texas.gov. Dates can change: check before you plan.
Official pages
- tea.texas.gov: 2026 2027 testing calendar (PDF)
- tea.texas.gov: 2025 tac staar assessed content (PDF)
- tea.texas.gov: biology blueprint 2026 (PDF)
Facts checked against: tea.texas.gov, tea.texas.gov, tea.texas.gov, tea.texas.gov.
More packs
STAAR Grade 3 Reading Language Arts · STAAR Grade 4 Reading Language Arts · STAAR Grade 5 Reading Language Arts · STAAR Grade 6 Reading Language Arts · STAAR Grade 7 Reading Language Arts · STAAR Grade 8 Reading Language Arts · STAAR Grade 3 Mathematics · STAAR Grade 4 Mathematics · STAAR Grade 5 Mathematics · STAAR Grade 6 Mathematics · STAAR Grade 7 Mathematics · STAAR Grade 8 Mathematics · STAAR Grade 5 Science · STAAR Grade 8 Science · STAAR Grade 8 Social Studies · STAAR Algebra I (EOC) · STAAR English I (EOC) · STAAR English II (EOC) · STAAR U.S. History (EOC) · All US tests · Find another TIP
Test details checked against Texas Education Agency on 2026-10-20. Always check the official page. We show facts only (sections, question counts, timings, score scales, dates) with summaries in our own words; no test questions, passages or practice tests are reproduced.
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