Grade Trends

Gladstone Elementary

Grades K–5 Public District: Bonita Unified

1314 West Gladstone, San Dimas, CA 91773 Map

Math (met standard)
67%
+25 state 42% · 2025-26
English (met standard)
63%
+16 state 47% · 2025-26
Science (met standard)
59%
+24 state 35% · 2025-26
Low income
35%
free or reduced-price lunch
Students
518
2024-25
Students per teacher
22.2
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 72% state 47% · 2025-26 55% state 44% · 2025-26 —
Grade 4 63% state 42% · 2025-26 57% state 46% · 2025-26 —
Grade 5 67% state 37% · 2025-26 74% state 49% · 2025-26 59% state 35% · 2025-26
All grades 67% state 42% · 2025-26 63% state 47% · 2025-26 59% state 35% · 2025-26
Results by year (all grades)
School year Math English Science
2025-26 67% state 42% 63% state 47% 59% state 35%
2024-25 66% state 41% 67% state 46% 41% state 33%
2023-24 63% state 41% 63% state 45% 59% state 33%
2022-23 58% state 40% 61% state 45% 57% state 32%
2021-22 51% state 37% 57% state 45% 45% state 31%
2018-19 65% state 44% 70% state 50% 53% state 32%
2017-18 69% state 42% 75% state 49% —
2016-17 67% state 40% 69% state 45% —
2015-16 62% state 39% 68% state 45% —
2014-15 56% state 35% 64% 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
Willow Elementary
Grades K–6 · Charter Oak Unified
0.4 mi
49%
+9 vs state
58%
+11 vs state
35%
±0 vs state
4% Average of math, English and science: 43% in 2022-23 → 47% in 2025-26 71% 388 Hispanic 64%
Arma J. Shull Elementary
Grades K–5 · Bonita Unified
0.8 mi
75%
+33 vs state
77%
+30 vs state
69%
+33 vs state
5% Average of math, English and science: 78% in 2022-23 → 73% in 2025-26 26% 633 Hispanic 48%
Oak Knoll Alternative
Grades K–12 Alternative · Charter Oak Unified
0.8 mi
11%
−26 vs state
42%
−7 vs state
17%
−19 vs state
8% Average of math, English and science: 31% in 2022-23 → 23% in 2025-26 76% 107 Hispanic 75%
Sutherland Elementary
Grades K–5 · Glendora Unified
1.2 mi
57%
+15 vs state
60%
+14 vs state
39%
+3 vs state
10% Average of math, English and science: 62% in 2022-23 → 52% in 2025-26 19% 488 Hispanic 51%
Glen Oak Elementary
Grades K–6 · Charter Oak Unified
1.3 mi
42%
+1 vs state
51%
+4 vs state
33%
−3 vs state
10% Average of math, English and science: 32% in 2022-23 → 42% in 2025-26 75% 428 Hispanic 78%
Vista (Alternative)
Grades K–12 Alternative · Bonita Unified
1.4 mi — —
23%
−10 vs state
18% Average of math, English and science: 5% in 2022-23 → 23% in 2025-26 73% 11 Hispanic 82%
Fred Ekstrand Elementary
Grades K–5 · Bonita Unified
1.8 mi
55%
+13 vs state
57%
+11 vs state
45%
+10 vs state
3% Average of math, English and science: 56% in 2022-23 → 53% in 2025-26 48% 475 Hispanic 68%
Cedargrove Elementary
Grades K–6 · Charter Oak Unified
2.0 mi
36%
−4 vs state
42%
−5 vs state
24%
−11 vs state
3% Average of math, English and science: 37% in 2022-23 → 34% in 2025-26 77% 569 Hispanic 80%
Washington Elementary
Grades K–6 · Charter Oak Unified
2.0 mi
66%
+26 vs state
67%
+20 vs state
57%
+22 vs state
9% Average of math, English and science: 55% in 2022-23 → 64% in 2025-26 64% 421 Hispanic 66%
Badillo Elementary
Grades K–6 · Charter Oak Unified
2.2 mi
37%
−4 vs state
45%
−2 vs state
25%
−10 vs state
Average of math, English and science: 36% in 2022-23 → 36% in 2025-26 72% 442 Hispanic 83%