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Mariposa Elementary

Ontario-Montclair Ontario San Bernardino County 91764
Composite Score
out of 100
State Percentile
of elementary schools
State Rank
1,052 students tested

School overview

Enrollment
567 students
Student-Teacher Ratio
22:1
Free/Reduced Lunch
95%
Teachers
26 full-time

Student demographics

Hispanic 87.1%
White 2.1%
Asian 1.1%
Black 8.1%
Other 1.6%

Performance breakdown

Performance breakdown for Mariposa Elementary
CategoryPercentage
Exceeded Standard9.9%
Met Standard16.5%
Below Standard73.6%

What other rankings don't show you

Most rating sites report "26% proficient" for Mariposa Elementary and stop there. Here's what that number hides:

9.9% of students exceeded standard while 16.5% merely met it. That exceeded rate is 11.1 points below the state average of 21.0%. That's 7.4 points below the Ontario-Montclair district average of 17.3%. The 17 nearby schools within ~3 miles average 14.9% exceeded — 5.0 points higher. The gap between "met" and "exceeded" is the difference between a school that clears the bar and one that raises it.

Students here improve by 9.3 percentage points from grade 3 to grade 5, suggesting the school is adding value beyond what students arrive with.

Chronic absenteeism is 6.0%, better than the state average of 18.7%.

Key metrics

% Exceeded Standard
9.9%
Students scoring above proficient
% Met or Above
26.4%
Students meeting standard
Growth (G3→G5)
+9.3pp
Change in proficiency rate
Chronic Absenteeism
6.0%
Students missing 10%+ of days
Suspension Rate
1.0%
Students suspended at least once
Total Tested
1,052
Across all grades & subjects

ELA scores by grade

Grade Tested Exceeded Met Nearly Met Not Met Met+Above
3rd 101 7.9% 12.9% 29.7% 49.5% 20.8%
4th 89 11.2% 15.7% 24.7% 48.3% 27.0%
5th 70 18.6% 18.6% 21.4% 41.4% 37.1%
6th 4

Math scores by grade

Grade Tested Exceeded Met Nearly Met Not Met Met+Above
3rd 102 5.9% 18.6% 27.4% 48.0% 24.5%
4th 89 6.7% 16.9% 30.3% 46.1% 23.6%
5th 71 9.9% 16.9% 28.2% 45.1% 26.8%
6th 4