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Mission Elementary

Ontario-Montclair Ontario San Bernardino County 91762
Composite Score
out of 100
State Percentile
of elementary schools
State Rank
1,200 students tested

School overview

Enrollment
560 students
Student-Teacher Ratio
22:1
Free/Reduced Lunch
89%
Teachers
25 full-time

Student demographics

Hispanic 89.6%
White 2.1%
Asian 3.2%
Black 3.6%
Other 1.4%

Performance breakdown

Performance breakdown for Mission Elementary
CategoryPercentage
Exceeded Standard11.7%
Met Standard20.1%
Below Standard68.3%

What other rankings don't show you

Most rating sites report "32% proficient" for Mission Elementary and stop there. Here's what that number hides:

11.7% of students exceeded standard while 20.1% merely met it. That exceeded rate is 9.3 points below the state average of 21.0%. That's 5.6 points below the Ontario-Montclair district average of 17.3%. The 26 nearby schools within ~3 miles average 17.6% exceeded — 6.0 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 5.0 percentage points from grade 3 to grade 5, suggesting the school is adding value beyond what students arrive with.

Chronic absenteeism is 8.2%, better than the state average of 18.7%.

Key metrics

% Exceeded Standard
11.7%
Students scoring above proficient
% Met or Above
31.7%
Students meeting standard
Growth (G3→G5)
+5.0pp
Change in proficiency rate
Chronic Absenteeism
8.2%
Students missing 10%+ of days
Suspension Rate
0.0%
Students suspended at least once
Total Tested
1,200
Across all grades & subjects

ELA scores by grade

Grade Tested Exceeded Met Nearly Met Not Met Met+Above
3rd 77 7.8% 19.5% 28.6% 44.2% 27.3%
4th 66 16.7% 19.7% 25.8% 37.9% 36.4%
5th 65 10.8% 24.6% 26.1% 38.5% 35.4%
6th 90 15.6% 35.6% 21.1% 27.8% 51.1%

Math scores by grade

Grade Tested Exceeded Met Nearly Met Not Met Met+Above
3rd 79 3.8% 19.0% 30.4% 46.8% 22.8%
4th 67 10.4% 11.9% 38.8% 38.8% 22.4%
5th 65 13.8% 10.8% 26.1% 49.2% 24.6%
6th 91 14.3% 18.7% 27.5% 39.6% 33.0%