Annex Charter School
Ontario, OR · Annex SD 29
Regular public school · Charter · Grades K-8 · Rural, fringe
331st of 675 Oregon elementary schools statewide · better than 51%▲ Improving
402 Annex Rd, Ontario, OR 97914
(541)262-3280NCES ID 410135000753Directory 2023–24
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.
Percent meeting or exceeding the state standard, Oregon Statewide Assessments (OSAS) 2024–25 · 50 students tested
Racial and ethnic breakdown of 79 students (2023–24, NCES) — history since 1988, with comparable seven-category changes from 2010
| Group | Trend | 2010 | 2023 | Change |
|---|---|---|---|---|
| White | 74.1% | 65.8% | ▼ 8.3 pts | |
| Hispanic | 25.9% | 26.6% | ▲ 0.7 pts | |
| Two or more races | 0.0% | 7.6% | ▲ 7.6 pts |
NCES history for this school begins in 1988. Race categories changed by 2010: earlier data combines Asian and Pacific Islander students and does not consistently identify multiracial students. The chart retains that history, while the change table uses 2010 onward.
Typical home value $310K in zip 97914 as of 2026-05 · trend since 2000
Data Provided by Zillow Group
Closest same-level schools, with 2024–25 state rank · ▲▼ = points better or worse than Annex Charter School
- #529Aiken Elementary SchoolOntario SD 8C · 14.3 mi away529th of 675
ELA 22% ▼14 · Math 29% ▼12Compare - #523Alameda Intermediate SchoolOntario SD 8C · 15.1 mi away523rd of 675
ELA 27% ▼9 · Math 26% ▼15Compare - #146Willowcreek Elementary SchoolVale SD 84 · 20.6 mi away146th of 675
ELA 64% ▲28 · Math 44% ▲3Compare - #323Vale Elementary SchoolVale SD 84 · 21.8 mi away323rd of 675
ELA 45% ▲9 · Math 34% ▼7Compare - #458Nyssa Elementary SchoolNyssa SD 26 · 24.8 mi away458th of 675
ELA 33% ▼3 · Math 28% ▼13Compare
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.