The Ontario Center School

A group of children hold up colorful paper chains, smiling and laughing in a classroom.

A group of people, including children, pose for a photo with a hockey mascot on the ice.

A group of students participate in a presentation in a school auditorium, with a projector displaying an image of a young girl.

Students and parents gather outside a school building on the first day of school.

A large crowd gathers in a gymnasium, filled with excitement and anticipation.

Welcome —

About Us

The Cucamonga School District is located in the western region of San Bernardino County in the Cities of Rancho Cucamonga and Ontario. As one of four K-8 elementary school districts in the city, the students feed into the Chaffey Joint Union High School District. The district has three elementary schools (K-5) and one middle school (6-8) serving a diverse student population of approximately 2443.

Learn More About Us

Our differentiators —

District Goals

The Cucamonga School District, with an appreciation for diversity, provides a comprehensive education that promotes academic, emotional and social development, which enables students to be lifelong learners and realize their full potential as contributing members of society.

Innovative Curriculum

Focus on, promote and challenge the success of all students to meet or exceed grade level standards through scientifically research-based quality curriculum, effective teaching strategies and professional development.
Collaboration & Support

Increase the effectiveness of parents, teachers and students working together as a team, through regular communication to ensure student achievement and success.
Optimizing Learning Experiences

Use all available resources to support optimum learning experiences for students by establishing priorities and controls which ensure spending in a responsible manner.

Latest News

Stay up to date on exciting news, events and more with the ParentSquare app!

May 16, 2026

Upcoming Events

View the full calendar to see all the exciting events we have happening in the next few weeks and months!

View Full Calendar

April Menus

Breakfast Menu

Lunch Menu

After School Snack

District profile —

At a Glance

Quick stats that highlight who we are — by the numbers.

K-8

Grades within the district
2,357

Enrolled students
144

Full-time teachers
20:1

Student to teacher ratio

The Ontario Center School

Enrollment

School Locator

Calendar

Parent Portal

Bullying

Innovative Curriculum

Collaboration & Support