Grade Trends

Mission Elementary

Grades K–6 Public District: Ontario-Montclair

5555 Howard St., Ontario, CA 91762 Map

Math (met standard)
33%
−8 state 41% · 2025-26
English (met standard)
39%
−7 state 47% · 2025-26
Science (met standard)
23%
−13 state 35% · 2025-26
Low income
88%
free or reduced-price lunch
Students
571
2024-25
Students per teacher
23.8
2024-25

Test score trends

Share of students who met or exceeded the state standard each year.

Latest results by grade

Grade Math English Science
Grade 3 31% state 47% · 2025-26 31% state 44% · 2025-26 —
Grade 4 33% state 42% · 2025-26 31% state 46% · 2025-26 —
Grade 5 27% state 37% · 2025-26 42% state 49% · 2025-26 23% state 35% · 2025-26
Grade 6 41% state 37% · 2025-26 57% state 48% · 2025-26 —
All grades 33% state 41% · 2025-26 39% state 47% · 2025-26 23% state 35% · 2025-26
Results by year (all grades)
School year Math English Science
2025-26 33% state 41% 39% state 47% 23% state 35%
2024-25 26% state 40% 38% state 47% 19% state 33%
2023-24 31% state 39% 37% state 45% 16% state 33%
2022-23 28% state 38% 38% state 44% 22% state 32%
2021-22 27% state 36% 32% state 45% 9% state 31%
2018-19 37% state 43% 41% state 50% 20% state 32%
2017-18 29% state 42% 39% state 49% —
2016-17 25% state 40% 35% state 46% —
2015-16 16% state 38% 23% state 46% —
2014-15 13% state 34% 23% state 42% —

Students

Race and ethnicity, 2024-25

Year-by-year history is loaded from the NCES Common Core of Data (2017-18 onward).

Nearby schools

Subject percentages show the share of students who met or exceeded the state standard.

Pick to compare
Oaks Middle
Grades 7–8 · Ontario-Montclair
0.5 mi
33%
−4 vs state
52%
+2 vs state
36%
±0 vs state
5% Average of math, English and science: 35% in 2022-23 → 40% in 2025-26 90% 668 Hispanic 89%
Vista Grande Elementary
Grades K–6 · Ontario-Montclair
0.8 mi
55%
+14 vs state
53%
+6 vs state
41%
+6 vs state
5% Average of math, English and science: 44% in 2022-23 → 49% in 2025-26 78% 358 Hispanic 78%
Kingsley Elementary
Grades K–6 · Ontario-Montclair
1.0 mi
24%
−16 vs state
38%
−9 vs state
14%
−21 vs state
Average of math, English and science: 26% in 2022-23 → 25% in 2025-26 91% 494 Hispanic 92%
Howard Elementary
Grades K–6 · Ontario-Montclair
1.1 mi
41%
±0 vs state
47%
+1 vs state
32%
−4 vs state
11% Average of math, English and science: 29% in 2022-23 → 40% in 2025-26 89% 433 Hispanic 85%
Montera Elementary
Grades K–6 · Ontario-Montclair
1.3 mi
46%
+5 vs state
51%
+4 vs state
28%
−7 vs state
10% Average of math, English and science: 32% in 2022-23 → 42% in 2025-26 87% 564 Hispanic 77%
E. J. Marshall Elementary
Grades K–6 · Chino Valley Unified
1.3 mi
38%
−3 vs state
50%
+3 vs state
27%
−9 vs state
3% Average of math, English and science: 41% in 2022-23 → 38% in 2025-26 89% 417 Hispanic 86%
Richard Haynes Elementary
Grades K–6 · Ontario-Montclair
1.4 mi
29%
−12 vs state
35%
−11 vs state
15%
−20 vs state
9% Average of math, English and science: 35% in 2022-23 → 26% in 2025-26 89% 641 Hispanic 89%
Monte Vista Elementary
Grades K–6 · Ontario-Montclair
1.6 mi
57%
+17 vs state
65%
+18 vs state
36%
+1 vs state
9% Average of math, English and science: 44% in 2022-23 → 53% in 2025-26 85% 535 Hispanic 88%
Walnut Avenue Elementary
Grades K–6 · Chino Valley Unified
1.7 mi
24%
−16 vs state
33%
−14 vs state
14%
−21 vs state
Average of math, English and science: 25% in 2022-23 → 24% in 2025-26 92% 483 Hispanic 89%
Ramona Elementary
Grades K–6 · Ontario-Montclair
1.7 mi
41%
+1 vs state
54%
+7 vs state
31%
−4 vs state
10% Average of math, English and science: 32% in 2022-23 → 42% in 2025-26 88% 556 Hispanic 96%