William Collier Elementary

Grades K–5 Public District: Lake Elsinore Unified

20150 Mayhall Dr., Wildomar, CA 92595 Map

Math (met standard)
26%
−16 state 42% · 2025-26
English (met standard)
34%
−12 state 46% · 2025-26
Science (met standard)
18%
−17 state 35% · 2025-26
Low income
80%
free or reduced-price lunch
Students
707
2024-25
Students per teacher
24.1
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 26% state 47% · 2025-26 33% state 44% · 2025-26 —
Grade 4 33% state 42% · 2025-26 35% state 46% · 2025-26 —
Grade 5 18% state 37% · 2025-26 33% state 49% · 2025-26 18% state 35% · 2025-26
All grades 26% state 42% · 2025-26 34% state 46% · 2025-26 18% state 35% · 2025-26
Results by year (all grades)
School year Math English Science
2025-26 26% state 42% 34% state 46% 18% state 35%
2024-25 32% state 41% 39% state 46% 22% state 33%
2023-24 32% state 40% 36% state 45% 17% state 33%
2022-23 27% state 40% 30% state 44% 15% state 32%
2021-22 29% state 38% 34% state 45% 21% state 31%
2020-21 46% state 40% 41% state 40% —
2018-19 33% state 44% 40% state 50% 21% state 32%
2017-18 31% state 42% 37% state 49% —
2016-17 29% state 40% 33% state 45% —
2015-16 23% state 38% 34% state 45% —
2014-15 22% state 35% 27% 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
Julia Lee Performing Arts Academy
Grades K–8 Charter · Julia Lee Performing Arts Academy District
0.6 mi
28%
−12 vs state
38%
−10 vs state
24%
−11 vs state
10% Average of math, English and science: 20% in 2022-23 → 30% in 2025-26 65% 440 Hispanic 68%
Lakeland Village
Grades K–8 · Lake Elsinore Unified
1.6 mi
18%
−22 vs state
32%
−16 vs state
12%
−23 vs state
Average of math, English and science: 20% in 2022-23 → 21% in 2025-26 94% 909 Hispanic 80%
Wildomar Elementary
Grades K–5 · Lake Elsinore Unified
1.9 mi
27%
−14 vs state
32%
−14 vs state
13%
−22 vs state
4% Average of math, English and science: 28% in 2022-23 → 24% in 2025-26 89% 620 Hispanic 81%
Donald Graham Elementary
Grades K–5 · Lake Elsinore Unified
2.6 mi
34%
−9 vs state
39%
−7 vs state
29%
−6 vs state
4% Average of math, English and science: 38% in 2022-23 → 34% in 2025-26 70% 470 Hispanic 56%
Railroad Canyon Elementary
Grades K–5 · Lake Elsinore Unified
3.3 mi
34%
−8 vs state
39%
−8 vs state
26%
−9 vs state
5% Average of math, English and science: 28% in 2022-23 → 33% in 2025-26 83% 873 Hispanic 86%
Ronald Reagan Elementary
Grades K–5 · Lake Elsinore Unified
3.5 mi
28%
−15 vs state
36%
−10 vs state
20%
−15 vs state
Average of math, English and science: 30% in 2022-23 → 28% in 2025-26 72% 508 Hispanic 55%
Sycamore Academy of Science and Cultural Arts
Grades K–8 Charter · Sycamore Academy of Science and Cultural Arts District
3.8 mi
31%
−8 vs state
43%
−5 vs state
26%
−9 vs state
Average of math, English and science: 35% in 2022-23 → 33% in 2025-26 47% 486 Hispanic 45%
Cottonwood Canyon Elementary
Grades K–5 · Lake Elsinore Unified
3.8 mi
55%
+13 vs state
61%
+14 vs state
44%
+9 vs state
7% Average of math, English and science: 46% in 2022-23 → 53% in 2025-26 54% 813 Hispanic 46%
Elsinore Elementary
Grades K–5 · Lake Elsinore Unified
4.2 mi
10%
−32 vs state
17%
−29 vs state
11%
−24 vs state
Average of math, English and science: 15% in 2022-23 → 13% in 2025-26 95% 462 Hispanic 90%
Cole Canyon Elementary
Grades K–5 · Murrieta Valley Unified
4.2 mi
67%
+24 vs state
69%
+23 vs state
49%
+14 vs state
Average of math, English and science: 62% in 2022-23 → 61% in 2025-26 35% 1,038 White 48%