Grade Trends

Maple Hill Elementary

Grades K–5 Public District: Walnut Valley Unified

1350 Maple Hill Rd., Diamond Bar, CA 91765 Map

Math (met standard)
80%
+38 state 42% · 2025-26
English (met standard)
82%
+36 state 46% · 2025-26
Science (met standard)
65%
+30 state 35% · 2025-26
Low income
27%
free or reduced-price lunch
Students
556
2024-25
Students per teacher
27.1
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 85% state 47% · 2025-26 80% state 44% · 2025-26 —
Grade 4 83% state 42% · 2025-26 84% state 46% · 2025-26 —
Grade 5 72% state 37% · 2025-26 83% state 49% · 2025-26 65% state 35% · 2025-26
All grades 80% state 42% · 2025-26 82% state 46% · 2025-26 65% state 35% · 2025-26
Results by year (all grades)
School year Math English Science
2025-26 80% state 42% 82% state 46% 65% state 35%
2024-25 83% state 41% 83% state 46% 76% state 33%
2023-24 83% state 40% 84% state 45% 71% state 33%
2022-23 86% state 40% 84% state 45% 70% state 32%
2021-22 81% state 38% 82% state 45% 62% state 31%
2018-19 85% state 44% 84% state 50% 61% state 32%
2017-18 83% state 42% 82% state 49% —
2016-17 77% state 40% 77% state 45% —
2015-16 70% state 38% 71% state 45% —
2014-15 64% 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
Quail Summit Elementary
Grades K–5 · Walnut Valley Unified
0.8 mi
81%
+39 vs state
75%
+28 vs state
76%
+40 vs state
3% Average of math, English and science: 80% in 2022-23 → 77% in 2025-26 25% 696 Asian 74%
Evergreen Elementary
Grades K–5 · Walnut Valley Unified
1.3 mi
68%
+26 vs state
69%
+23 vs state
62%
+26 vs state
4% Average of math, English and science: 70% in 2022-23 → 66% in 2025-26 26% 709 Asian 70%
Walnut Elementary
Grades K–5 · Walnut Valley Unified
1.7 mi
78%
+36 vs state
72%
+26 vs state
64%
+28 vs state
Average of math, English and science: 72% in 2022-23 → 71% in 2025-26 25% 706 Asian 78%
Armstrong Elementary
Grades K–6 · Pomona Unified
1.7 mi
26%
−15 vs state
45%
−1 vs state
37%
+2 vs state
3% Average of math, English and science: 39% in 2022-23 → 36% in 2025-26 67% 251 Hispanic 60%
Castle Rock Elementary
Grades K–5 · Walnut Valley Unified
2.0 mi
68%
+26 vs state
66%
+19 vs state
52%
+17 vs state
5% Average of math, English and science: 67% in 2022-23 → 62% in 2025-26 27% 684 Asian 70%
Pantera Elementary
Grades K–6 · Pomona Unified
2.2 mi
81%
+40 vs state
82%
+36 vs state
65%
+30 vs state
4% Average of math, English and science: 72% in 2022-23 → 76% in 2025-26 48% 512 Asian 68%
Golden Springs Elementary
Grades K–6 · Pomona Unified
2.4 mi
42%
+1 vs state
57%
+10 vs state
37%
+2 vs state
Average of math, English and science: 43% in 2022-23 → 45% in 2025-26 72% 388 Hispanic 69%
Vejar Elementary
Grades K–5 · Walnut Valley Unified
2.5 mi
59%
+17 vs state
58%
+11 vs state
53%
+17 vs state
Average of math, English and science: 58% in 2022-23 → 56% in 2025-26 32% 631 Asian 61%
Cyrus J. Morris Elementary
Grades K–5 · Walnut Valley Unified
2.7 mi
69%
+27 vs state
67%
+21 vs state
62%
+26 vs state
3% Average of math, English and science: 63% in 2022-23 → 66% in 2025-26 28% 485 Asian 71%
Ybarra Academy for the Arts and Technology
Grades K–8 · Rowland Unified
2.7 mi
44%
+5 vs state
60%
+12 vs state
42%
+6 vs state
4% Average of math, English and science: 45% in 2022-23 → 49% in 2025-26 67% 630 Hispanic 56%