Annex Charter School
Ontario, OR · Annex SD 29 · Charter · Grades K-8
331st of 675 Oregon elementary schools statewide · better than 51%▲ Improving
Annex Charter School ranking
SchoolRow ranks Annex Charter School 331st of 675 Oregon elementary schools for 2024–25, based on Oregon Statewide Assessments (OSAS) 2024–25 English and Math results — better than 51% of elementary schools statewide. Its statewide percentile went from 30th in 2019 to 51th in 2025 — improving.
Annex Charter School test scores
Percent meeting or exceeding the state standard, Oregon Statewide Assessments (OSAS) 2024–25 · 50 students tested
Annex Charter School students
Racial and ethnic breakdown of 79 students (2023–24, NCES) — and how it has shifted since 2013
| Group | Trend | 2013 | 2023 | Change |
|---|---|---|---|---|
| White | 53.6% | 65.8% | ▲ 12.2 pts | |
| Hispanic | 39.3% | 26.6% | ▼ 12.7 pts | |
| Two or more races | 5.4% | 7.6% | ▲ 2.2 pts | |
| Asian | 1.8% | 0.0% | ▼ 1.8 pts |
Homes near Annex Charter School
Typical home value $310K in zip 97914 as of 2026-05 · trend since 2000
Data Provided by Zillow Group
Elementary schools near Annex Charter School
Closest same-level schools, with 2024–25 state rank
- 3Aiken Elementary SchoolOntario SD 8C · 14.3 mi away529th of 675
ELA 22% · Math 29% - 3Alameda Intermediate SchoolOntario SD 8C · 15.1 mi away523rd of 675
ELA 27% · Math 26% - 8Willowcreek Elementary SchoolVale SD 84 · 20.6 mi away146th of 675
ELA 64% · Math 44% - 6Vale Elementary SchoolVale SD 84 · 21.8 mi away323rd of 675
ELA 45% · Math 34% - 4Nyssa Elementary SchoolNyssa SD 26 · 24.8 mi away458th of 675
ELA 33% · Math 28%
Frequently asked questions
What school district is Annex Charter School in?
Annex Charter School is part of the Annex SD 29 district in Ontario, Oregon.
Is Annex Charter School a good school?
SchoolRow ranks Annex Charter School 331st of 675 Oregon elementary schools (better than 51% statewide) based on 2024–25 test results (Oregon Statewide Assessments (OSAS) 2024–25).
What is the racial makeup of Annex Charter School?
White 66%, Hispanic 27%, Two or more races 8% (79 students, 2023–24).
How much do homes near Annex Charter School cost?
The typical home value in zip code 97914 is $310K as of 2026-05 (Zillow ZHVI).
Sources: state education department data (Oregon Statewide Assessments (OSAS) 2024–25, low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.