Ontario Center
Elementary Schools (Public)Grades K–5Active
835 North Center Avenue, Ontario, CA 91764-4841
(909) 948-3044
Overall Score (2024-25)
↑ 2.8 ptsvs 2023-2443
out of 100
Below AverageTop 60% statewideData completeness: 100%
Academic Achievement22
CA avg
Academic Growth87
CA avg
Equity50
CA avg
School Climate22
CA avg
Score reflects percentile ranking among same-type schools. How is this calculated?
Test Scores (2024-25)
Percentage of students meeting or exceeding standards on CAASPP/CAST.
English Language Arts25.4%
CA avg 48.8%
Mathematics27.7%
CA avg 34.6%
Science / CAST (2024-25)20.9%
CA avg 32.7%
By Grade
| Grade | ELA % | Math % | Science % | Tested |
|---|---|---|---|---|
| 03 | 25.6% | 40.2% | — | 86 |
| 04 | 18.8% | 29.1% | — | 85 |
| 05 | 30.5% | 16.2% | 20.9% | 105 |
Enrollment & Demographics (2024-25)
585
Total Students
75.4%
Free/Reduced Lunch
8.9%
English Learners
Staff (2024-25)
17.0:1
Pupil-Teacher Ratio
Chronic Absenteeism (2024-25)
↓ 0.4%24.7%
Chronically Absent
644
Students Tracked
Historical Trends
Year-over-year performance data from official CDE records.
Composite Score
ELA Proficiency %
Math Proficiency %
Science / CAST %
Chronic Absenteeism Rate %
Total Enrollment
Parent & Community Reviews
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Data sourced from the California Department of Education. CDS Code: 36676946109185. Academic Year: 2023-24 – 2024-25.