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Charter elementary school · Annex Sd 29 · Ontario, Oregon

Annex Charter School

Annex Charter School rates 9.1, right at the middle of Annex Sd 29's elementary schools, whose rated median is 9.1.

Elementary schools, 1 to 10This campus against public elementary schools around it that are rated on verified state test data.
9.1this school

9.1 on a one-to-ten scale; the Annex Sd 29 median is 9.1.

#48 of 1,229 schools in Oregon · Annex Sd 29: 1 elementary schools rated, median 9.1

The brief

A charter elementary school in Ontario, OR where students score 9 points above what's typical for similar communities.

It ranks 48 of 1,229 schools in Oregon and 1 of 1 in Annex Sd 29.

Annex Charter School is a charter school: it enrolls by application rather than by address, so check its enrollment process directly before choosing a neighborhood for it.

Math41%9 points above the Oregon average of 32%51 students tested · 2025 OSAS
Reading36%7 points below the Oregon average of 43%50 students tested · 2025 OSAS
Proficiency is down 31 points across the 17-year record (2009–2025) and has held near 39% recently.2025 OSAS; 26 test records from OR state assessments and EdFacts (NCES).

What the rating is made of, each out of 10

Student Progress
9.5
50% of the rating
Academics
7.8
30% of the rating
Resources & Environment
10.0
20% of the rating
About this school's data1 correction under review · rating: low confidence · 6 sources, 2019–2025

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, an estimate, or describes a surrounding area rather than the school, that limitation is named here.

Attendance data is under correction. This existing Resources & Environment score and overall rating may still reflect an unverified attendance input.

Full Profile · 3/3 metrics

Multi-year averages used by the rating model: math 34% (multi-year average, 2009-2025) · reading/ELA 45% (multi-year average, 2009-2025).

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2025 OSAS · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 OSAS. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2025 OSAS · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 OSAS. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 97914; this does not measure the attendance area.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24

About our dataHow we calculate scores

The neighborhood

Where it sits, and what the area looks like.
Annex Charter School and the 20 nearest elementary schools, each pin colored by its score.Pins are locations, not attendance boundaries. Verify the enrollment path with the district.

The area

Median income
$48,442
Median home value
$220,600
Median rent
$813/mo
College educated
14.6%
Homeownership
61.8%
Poverty rate
17.8%

U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 97914; this is area context, not an attendance boundary.

Getting around

Walk Score
3
Car-Dependent
Bike Score
31
Somewhat Bikeable

Walk, transit and bike scores byWalk Score

Programs and who goes here

What the campus offers, and who it enrolls.

Who goes here

Free or reduced lunch
72.2%
Students qualifying for federal meal assistance. Shown separately, never in the score.

NCES Common Core of Data (CCD).

Compare nearby

Grade-compatible schools using the same rating model.
Public-school ratings. Grade-compatible schools within 5 miles, best rated first.
  1. Annex Charter Schoolthis school
    9.1
  2. Pioneer Primary School1.2 mi
    4.5Compare →
  3. Park Intermediate School1.8 mi
    3.7Compare →
Two grade-compatible schools using the same rating model sit within 5 miles, and none rates higher than Annex Charter School.Public-school ratings. Straight-line distance from this campus. Pins are locations, not attendance boundaries; verify the enrollment path with the district.

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

The record

What is on file, and where each number came from.

The public record

What's said publicly about Annex Charter School

Sources:School's website

Synthesized from public, attributable sources. Updated May 2026.

Annex Charter School is located in Malheur County, Oregon, north of Ontario, and serves students in grades K-8 1. The school describes itself as having a small school atmosphere with a low student-to-teacher ratio 1. It incorporates technology into its teaching and provides a Title I program aimed at improving students' reading abilities 1. Additionally, the Annex School District offers a tuition-free virtual learning option for grades K-8 1. This virtual program utilizes Edmentum’s course catalog and provides support from Oregon-certified teachers 1.
Sources (1)
  1. www.annex.k12.or.us
Generated by AI from public sources. Every claim is grounded in a cited source.Report inaccuracy

Questions families ask

What grades does Annex Charter School serve?

Annex Charter School serves students in grades Kindergarten through 8th.

How many students attend Annex Charter School?

Annex Charter School has an enrollment of approximately 79 students.

What is the student-teacher ratio at Annex Charter School?

The student-teacher ratio at Annex Charter School is 8.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Annex Charter School rank in OR?

Annex Charter School ranks #48 of 1,229 schools in OR.

What is Annex Charter School's MySchoolScout rating?

Annex Charter School has a current MySchoolScout rating of 9.1 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Annex Charter School?

Based on loaded state assessment records, Annex Charter School has 34% math proficiency (multi-year average, 2009-2025) and 45% reading/ELA proficiency (multi-year average, 2009-2025).

Is Annex Charter School a charter school?

Yes, Annex Charter School is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.

Is Annex Charter School a Title I school?

No, Annex Charter School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Annex Charter School?

72.2% of students at Annex Charter School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

School facts

Grades
Kindergarten – 8th
Enrollment
79
Student-teacher ratio
8.8:1
Teachers (FTE)
9
Type
Regular
Title I
No
Setting
Fringe Rural
County
Malheur County
Phone
(541) 262-3280
Rank in district
#1 of 1
Schools in district
1
District spending per student
$26,183
NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
22.4%
Census SAIPE · 2024
Area population (ZIP 97914)
19,879
Area average commute
15.8 min
Area median age
36.2

NCES Common Core of Data (CCD) (SY 2023–24).

Sources and official links

Keep exploring

Related reading

Data from NCES Common Core of Data, Oregon Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.