Grade Trends

Mariposa Elementary

Grades K–6 Public District: Ontario-Montclair

1605 East D St., Ontario, CA 91764 Map

Math (met standard)
23%
−18 state 41% · 2025-26
English (met standard)
32%
−14 state 47% · 2025-26
Science (met standard)
20%
−16 state 35% · 2025-26
Low income
95%
free or reduced-price lunch
Students
537
2024-25
Students per teacher
21.5
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 27% state 47% · 2025-26 27% state 44% · 2025-26 —
Grade 4 16% state 42% · 2025-26 21% state 46% · 2025-26 —
Grade 5 26% state 37% · 2025-26 52% state 49% · 2025-26 20% state 35% · 2025-26
Grade 6 23% state 37% · 2025-26 31% state 48% · 2025-26 —
All grades 23% state 41% · 2025-26 32% state 47% · 2025-26 20% state 35% · 2025-26
Results by year (all grades)
School year Math English Science
2025-26 23% state 41% 32% state 47% 20% state 35%
2024-25 24% state 42% 27% state 46% 19% state 33%
2023-24 29% state 41% 33% state 45% 18% state 33%
2022-23 22% state 39% 28% state 45% 12% state 32%
2021-22 16% state 38% 19% state 45% 11% state 31%
2018-19 24% state 44% 34% state 50% 19% state 32%
2017-18 25% state 43% 27% state 49% —
2016-17 16% state 41% 26% state 45% —
2015-16 9% state 38% 23% state 45% —
2014-15 10% state 35% 20% state 41% —

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
Ray Wiltsey Middle
Grades 6–8 · Ontario-Montclair
0.2 mi
31%
−6 vs state
50%
±0 vs state
25%
−10 vs state
8% Average of math, English and science: 27% in 2022-23 → 35% in 2025-26 95% 727 Hispanic 89%
Student Outreach & Academic Renaissance Academy
Grades 4–8 Alternative · Ontario-Montclair
0.2 mi
0%
8%
— Not enough years of data — —
Del Norte Elementary
Grades K–6 · Ontario-Montclair
0.5 mi
26%
−15 vs state
40%
−7 vs state
18%
−17 vs state
3% Average of math, English and science: 25% in 2022-23 → 28% in 2025-26 93% 428 Hispanic 86%
Corona Elementary
Grades K–6 · Ontario-Montclair
0.8 mi
44%
+3 vs state
51%
+5 vs state
23%
−12 vs state
3% Average of math, English and science: 43% in 2022-23 → 40% in 2025-26 91% 414 Hispanic 93%
Lincoln Elementary
Grades K–6 · Ontario-Montclair
1.0 mi
27%
−13 vs state
31%
−16 vs state
21%
−14 vs state
Average of math, English and science: 26% in 2022-23 → 26% in 2025-26 90% 530 Hispanic 89%
Vineyard Elementary
Grades K–8 · Ontario-Montclair
1.1 mi
33%
−6 vs state
43%
−6 vs state
29%
−7 vs state
Average of math, English and science: 33% in 2022-23 → 35% in 2025-26 87% 562 Hispanic 90%
Arroyo Elementary
Grades K–8 · Ontario-Montclair
1.4 mi
30%
−9 vs state
40%
−8 vs state
21%
−14 vs state
6% Average of math, English and science: 24% in 2022-23 → 30% in 2025-26 76% 493 Hispanic 90%
Berlyn Elementary
Grades K–6 · Ontario-Montclair
1.5 mi
21%
−20 vs state
35%
−12 vs state
19%
−16 vs state
Average of math, English and science: 25% in 2022-23 → 25% in 2025-26 92% 639 Hispanic 91%
Central Language Academy
Grades K–8 · Ontario-Montclair
1.6 mi
38%
−2 vs state
49%
+1 vs state
25%
−10 vs state
7% Average of math, English and science: 30% in 2022-23 → 37% in 2025-26 65% 736 Hispanic 90%
Online Academy
Grades K–8 Alternative · Ontario-Montclair
1.9 mi
57%
+18 vs state
68%
+19 vs state
44%
+8 vs state
23% Average of math, English and science: 33% in 2022-23 → 56% in 2025-26 92% 125 Hispanic 80%