Best Ontario Public Charter Schools (2025-26)

For the 2025-26 school year, there are 2 public charter schools serving 441 students in Ontario, OR.

The top ranked public charter schools in Ontario, OR are Annex Charter School and Four Rivers Community School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Ontario, OR public charter schools have an score of 22% (versus the Oregon public charter school average of 34%), and score of 41% (versus the 51% statewide average). Charter schools in Ontario have an average ranking of 3/10, which is in the bottom 50% of Oregon public charter schools.

Minority enrollment is 75% of the student body (majority Hispanic), which is more than the Oregon public charter school average of 28% (majority Hispanic).

Best Public Charter Schools in Ontario, OR (2025-26)

School
(Math and Reading Proficiency)

Location

Quick Facts

Rank: #11.

Annex Charter School

Charter School

(Math: 40-49% | Reading: 50-59%)
:

Top 30%

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402 Annex Rd
Ontario, OR 97914
(541) 262-3280

Gr: K-8 | 79 students Student-teacher ratio: 9:1 Minority enrollment: 34%

Rank: #22.

Four Rivers Community School

Charter School

(Math: 15-19% | Reading: 35-39%)
:

Bottom 50%

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2449 Sw 4th Ave
Ontario, OR 97914
(541) 889-3715

Gr: K-12 | 362 students Student-teacher ratio: 17:1 Minority enrollment: 84%

Frequently Asked Questions

What are the top ranked public charter schools in Ontario, OR?

The top ranked public charter schools in Ontario, OR include Annex Charter School and Four Rivers Community School.

How many public charter schools are located in Ontario?

2 public charter schools are located in Ontario.

What is the racial composition of students in Ontario?

Ontario public charter schools minority enrollment is 75% of the student body (majority Hispanic), which is more than the Oregon public charter schools average of 28% (majority Hispanic).