These are some of the top-rated public schools in Ontario based on a variety of measures. Find out more about GreatSchools ratings.
Districts
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Chino Valley Unified School District
25,645 students | CHINO, CA
Grades K-12 & Ungraded | 37 schools -
Ontario-Montclair School District
18,471 students | ONTARIO, CA
Grades K-8 | 32 schools -
Dehesa Elementary School District
84 students | EL CAJON, CA
Grades K-12 | 13 schools -
Chaffey Joint Union High School District
23,145 students | ONTARIO, CA
Grades 9-12 & Ungraded | 12 schools -
Cuyama Joint Unified School District
182 students | CUYAMA, CA
Grades K-12 | 7 schools -
Liberty Elementary School District
217 students | PETALUMA, CA
Grades PK, K-12 | 6 schools -
Meridian Elementary School District
70 students | MERIDIAN, CA
Grades PK, K-12 | 4 schools -
Cucamonga Elementary School District
2,299 students | RANCHO CUCAMONGA, CA
Grades K-8 | 4 schools -
Mountain View Elementary School District
3,035 students | ONTARIO, CA
Grades K-8 | 4 schools -
Trona Joint Unified School District
247 students | SEARLES VALLEY, CA
Grades K-12 | 3 schools -
Baldy View Rop School District
0 students | ONTARIO, CA
Grades 9-12 | 1 school
Neighboring Cities
Reviews From Schools in Ontario
Does your child attend a school in this city?
Parent / Guardian
October 24, 2025
This school is great, As a child I spent all my elementary years here, now I send my five year old here for Kindergarten. He loves it and I have noticed such an improvement in his education since... More
Review for
Lincoln Elementary School
School leader
October 09, 2025
I'm grateful for the caring staff at Vineyard STEM. We have 2 children enrolled, and the teachers are very compassionate, and clearly work hard to connect to their students and families and help them... More
Review for
Vineyard Elementary School
Parent / Guardian
October 09, 2025
I love this school. The school and all staff are so kind and the truly care about the students. My daughter attends Vineyard and has health issues. The school is so supportive and helpful to provided... More
Review for
Vineyard Elementary School
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