Annex Charter School
Test scores
OSAS 2024-25 . % ProficientWhat this means: On the OSAS, Oregon's statewide test, about 36 of every 100 students at this school read and write at grade level and about 41 of 100 do math at grade level. Across all Oregon schools, those numbers are about 43 and 32. Reading and writing scores are down about 26 points since 2023, while math scores are down about 12 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 48% of students here test proficient in math and reading, compared with the roughly 44% typical for Oregon schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Oregon's top nor bottom 10%.
7-year change
SY 2017-18 vs SY 2024-25About Annex Charter School
As a minimally staffed multi-level school in Ontario, Oregon, Annex Charter School instructs 131 students from grades K through 12, run under Annex SD 29. By comparison, Oregon's public schools average about 384 students each, so Annex Charter School sits 66% below that benchmark.
Annex Charter School is a school of Annex SD 29, the district that handles curriculum, staffing, and budget for the campus.
On the student-mix side, Annex Charter School shows that White students make up the majority at 76%. The remainder breaks down as 22% Hispanic, 2% multiracial.
Looking at the economic backdrop, On paper, Annex Charter School has 8 full-time-equivalent teachers, translating to a class-load average of around 16.4:1. That figure is tighter than the state norm's 22.5:1 average. About 48% of enrolled students meet the income threshold for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. That share is lower than Malheur County's rate of about 89%.
On a residual basis (actual vs predicted given the student mix), Annex Charter School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 43.9%, the actual is 48.0%, a residual of +4.1 points.
Zooming out to the county, community-level numbers for Malheur County indicate median household earnings sit near $54,519, roughly 15% of adults have completed at least a four-year degree, and roughly 15% of residents live below the federal poverty line. In all, Malheur County runs 25 public schools (combined enrollment of about 6,566 students), of which Annex Charter School is one.
Nearest neighbor: PIONEER PRIMARY SCHOOL, around 1.3 miles off. Within five miles, there are 5 other public schools.
Geographically, the school is in a small-town area. As a public charter, Annex Charter School runs on public funding but with greater curricular and operational autonomy than a typical district school.
Over the past 7-year window. Annex Charter School's enrollment has grew 51% since 2018, when it stood at 87 (now 131). The White share of enrollment expanded from 67% to 76% over that span. The student-to-teacher ratio fell from 17.4:1 in 2018 to 16.4:1 today.
Within the allk12 community for this school, recent activity here tends to focus on enrollment questions, classroom assignments, and PTA news. The community welcomes input from current and former families.
Malheur County at a glance
View full county profileQuick facts
Related schools
- Ontario High SchoolHigh · 709 students
- Ontario Middle SchoolMiddle · 471 students
- Four Rivers Community SchoolCombined · 367 students
- Alameda Intermediate SchoolElementary · 355 students
- Aiken Elementary SchoolElementary · 333 students
- May Roberts Primary SchoolElementary · 302 students
- PIONEER PRIMARY SCHOOL1.3 mi · 385
- WEISER MIDDLE SCHOOL1.5 mi · 334
- WEISER HIGH SCHOOL1.8 mi · 511
- PARK INTERMEDIATE SCHOOL1.8 mi · 199
- INDIANHEAD ACADEMY HIGH SCHOOL1.9 mi · 13
- Pioneer Elementary School8.5 mi · 112