Annex Charter School
Score 72.3/100: better than 72% of Oregon combined schools on 2025-26 state tests. Schools are only compared with others of the same type in the same state. How we score schools
Performance (state tests, 2025-26)
% proficient on state tests in Oregon, all students. Colored bars are green when the school is at or above the average for similar Oregon schools.
Results over time
How this school's published results have moved year by year.
All 17 published results by grade and test
As published by Oregon Department of Education. "Hidden" means the state didn't publish the result to protect student privacy.
| Subject | Grade | Test | Result | Students tested |
|---|---|---|---|---|
| English language arts | Grade 3 | OSAS | 64.3 | 14 |
| English language arts | Grade 4 | OSAS | 30.8 | 13 |
| English language arts | Grade 5 | OSAS | 40 | 10 |
| English language arts | Grade 6 | OSAS | hidden (small group) | — |
| English language arts | Grade 7 | OSAS | hidden (small group) | — |
| English language arts | Grade 8 | OSAS | hidden (small group) | — |
| English language arts | All grades | OSAS | 48.9 | 45 |
| Math | Grade 3 | OSAS | 50 | 14 |
| Math | Grade 4 | OSAS | 21.4 | 14 |
| Math | Grade 5 | OSAS | 40 | 10 |
| Math | Grade 6 | OSAS | hidden (small group) | — |
| Math | Grade 7 | OSAS | hidden (small group) | — |
| Math | Grade 8 | OSAS | hidden (small group) | — |
| Math | All grades | OSAS | 41.3 | 46 |
| Science | Grade 5 | OSAS | 40 | 10 |
| Science | Grade 8 | OSAS | hidden (small group) | — |
| Science | All grades | OSAS | 36.4 | 11 |
School profile
- Grades
- K-12
- Students
- 79
- Type
- Combined school
- Charter school
- Yes
- Program
- Regular
Students
District and location
Contact
"Typical" is the middle (median) combined school in Oregon. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24, lunch eligibility 2024-25).
Nearby combined schools
Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.
Explore schools around Ontario
Location
Official sources
Every figure on this page comes from published government data. Check the originals here; we refresh when states release new results.
U.S. Department of Education, National Center for Education Statistics, Common Core of Data (CCD): school directory, grades served, enrollment and free/reduced-price lunch, 2023-24 and 2024-25. Spotted a mistake? Tell us.
Annex Charter School at a glance
Annex Charter School is a public combined school (a charter school) in Ontario, Oregon, serving grades K-12. It is part of the Annex SD 29 school district. It has about 79 students (a typical Oregon combined school has 212). About 80% of students are eligible for free or reduced-price lunch, compared with 73% at a typical Oregon combined school, which is useful context when reading test results.
In 2025-26 state tests, 49% in English language arts (similar schools: 41%) and 41% in math (similar schools: 27%) reached the state standard (% proficient). On our score, which compares it only with other Oregon combined schools, it scores 72.3 out of 100: better than 72% of them, ranking #26 of 92. Its English language arts result rose by 13 points from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.
Page updated 2026-10-12.