Annex Charter School

402 Annex Rd
Ontario, OR 97914
(School attendance zone shown in map)
8/
10
Top 30%
Serving 79 students in grades Kindergarten-8, Annex Charter School ranks in the top 30% of all schools in Oregon for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 30-39% (which is approximately equal to the Oregon state average of 31%). The percentage of students achieving proficiency in reading/language arts is 50-59% (which is higher than the Oregon state average of 44%).
The student:teacher ratio of 9:1 is lower than the Oregon state level of 17:1.
Minority enrollment is 34% of the student body (majority Hispanic), which is lower than the Oregon state average of 42% (majority Hispanic).

Quick Stats (2025)

  • School Type: Charter School
  • Grades: Kindergarten-8
  • Enrollment: 79 students
  • Student:Teacher Ratio: 9:1
  • Minority Enrollment: 34%
  • : Top 30% in OR
  • : 30-39% (Top 50%)
  • : 50-59% (Top 30%)
  • : ≤20% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), OR Dept. of Education

Top Rankings

Annex Charter School ranks among the top 20% of public schools in Oregon for:

School Overview

Annex Charter School's student population of 79 students has declined by 13% over five school years.
The teacher population of 9 teachers has grown by 12% over five school years.
School Type
Grades Offered
Grades Kindergarten-8
(Supplemental Virtual)
Total Students
79 students
Gender %
Total Classroom Teachers
9 teachers

School Rankings

Annex Charter School ranks within the top 30% of all 1,196 schools in Oregon (based off of combined math and reading proficiency testing data).
The diversity score of Annex Charter School is 0.50, which is less than the diversity score at state average of 0.60. The school's diversity has stayed relatively flat over five school years.
This School
State Level (OR)
#356 out of 1196 schools
(Top 30%)
30-39%
31%
50-59%
44%
≤20%
30%
Student : Teacher Ratio
9:1
17:1
American Indian
n/a
1%
Asian
n/a
4%
Hispanic
26%
26%
Black
n/a
3%
White
66%
58%
Hawaiian
n/a
1%
Two or more races
8%
7%
All Ethnic Groups
0.50
Eligible for Free Lunch
72%
51%
Eligible for Reduced Lunch (21-22)
15%
8%
School District Name
Source: National Center for Education Statistics (NCES), OR Dept. of Education
Profile last updated: 02/09/2025

Frequently Asked Questions

What is Annex Charter School's ranking?
Annex Charter School is ranked #356 out of 1,196 schools, which ranks it among the top 30% of public schools in Oregon.
What schools are Annex Charter School often compared to?
Annex Charter Schoolis often viewed alongside schools like Alliance Charter Academy, Academy For Character Education by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
30-39% of students have achieved math proficiency (compared to the 31% OR state average), while 50-59% of students have achieved reading proficiency (compared to the 44% OR state average).
How many students attend Annex Charter School?
79 students attend Annex Charter School.
What is the racial composition of the student body?
66% of Annex Charter School students are White, 26% of students are Hispanic, and 8% of students are Two or more races.
What is the student:teacher ratio of Annex Charter School?
Annex Charter School has a student ration of 9:1, which is lower than the Oregon state average of 17:1.
What grades does Annex Charter School offer ?
Annex Charter School offers enrollment in grades Kindergarten-8 (Supplemental Virtual).
What school district is Annex Charter School part of?
Annex Charter School is part of Annex SD 29 School District.

School Reviews

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Quick Stats (2025)

  • School Type: Charter School
  • Grades: Kindergarten-8
  • Enrollment: 79 students
  • Student:Teacher Ratio: 9:1
  • Minority Enrollment: 34%
  • : Top 30%
  • : 30-39% (Top 50%)
  • : 50-59% (Top 30%)
  • : ≤20% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), OR Dept. of Education

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