Twin Oaks Elementary

Grades K–5 Public District: San Marcos Unified

1 Cassou Rd., San Marcos, CA 92069 Map

Math (met standard)
43%
+1 state 42% · 2025-26
English (met standard)
37%
−9 state 46% · 2025-26
Science (met standard)
36%
+1 state 35% · 2025-26
Low income
48%
free or reduced-price lunch
Students
648
2024-25
Students per teacher
20.9
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 56% state 47% · 2025-26 33% state 44% · 2025-26 —
Grade 4 32% state 42% · 2025-26 33% state 46% · 2025-26 —
Grade 5 39% state 37% · 2025-26 45% state 49% · 2025-26 36% state 35% · 2025-26
All grades 43% state 42% · 2025-26 37% state 46% · 2025-26 36% state 35% · 2025-26
Results by year (all grades)
School year Math English Science
2025-26 43% state 42% 37% state 46% 36% state 35%
2024-25 43% state 41% 45% state 46% 40% state 33%
2023-24 42% state 41% 48% state 45% 45% state 33%
2022-23 48% state 40% 47% state 44% 44% state 32%
2021-22 50% state 38% 48% state 45% 34% state 31%
2018-19 46% state 44% 57% state 50% 27% state 32%
2017-18 42% state 43% 50% state 49% —
2016-17 40% state 40% 53% state 45% —
2015-16 42% state 39% 51% state 45% —
2014-15 38% state 35% 51% 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
Richland Elementary
Grades K–5 · San Marcos Unified
1.8 mi
63%
+21 vs state
66%
+20 vs state
48%
+13 vs state
Average of math, English and science: 61% in 2022-23 → 59% in 2025-26 31% 883 Hispanic 42%
Paloma Elementary
Grades K–5 · San Marcos Unified
2.1 mi
67%
+25 vs state
68%
+22 vs state
58%
+23 vs state
Average of math, English and science: 62% in 2022-23 → 64% in 2025-26 31% 758 Hispanic 37%
North Coastal Consortium Schools
Grades K–12 Special education · San Diego County Office of Education
2.5 mi
7%
27%
5%
12% Average of math, English and science: 5% in 2021-22 → 17% in 2024-25 37% 46 Hispanic 51%
San Marcos Elementary
Grades K–5 · San Marcos Unified
2.6 mi
21%
−21 vs state
27%
−19 vs state
11%
−24 vs state
4% Average of math, English and science: 24% in 2022-23 → 20% in 2025-26 87% 546 Hispanic 95%
Monte Vista Elementary
Grades K–5 · Vista Unified
3.3 mi
37%
−5 vs state
37%
−9 vs state
24%
−11 vs state
4% Average of math, English and science: 37% in 2022-23 → 33% in 2025-26 56% 556 Hispanic 54%
Knob Hill Elementary
Grades K–5 · San Marcos Unified
3.4 mi
51%
+9 vs state
58%
+12 vs state
35%
±0 vs state
Average of math, English and science: 50% in 2022-23 → 48% in 2025-26 39% 725 Hispanic 47%
Hannalei Elementary
Grades K–5 · Vista Unified
3.4 mi
24%
−18 vs state
31%
−15 vs state
20%
−15 vs state
Average of math, English and science: 26% in 2022-23 → 25% in 2025-26 74% 480 Hispanic 84%
Joli Ann Leichtag Elementary
Grades K–5 · San Marcos Unified
3.5 mi
52%
+10 vs state
54%
+8 vs state
40%
+4 vs state
11% Average of math, English and science: 38% in 2022-23 → 49% in 2025-26 69% 579 Hispanic 73%
La Mirada Academy
Grades K–8 · San Marcos Unified
3.6 mi
19%
−21 vs state
30%
−18 vs state
20%
−16 vs state
4% Average of math, English and science: 27% in 2022-23 → 23% in 2025-26 77% 868 Hispanic 90%
Dual Language Immersion North County
Grades K–8 Charter · Dual Language Immersion North County District
3.7 mi
60%
+20 vs state
68%
+20 vs state
43%
+7 vs state
16% Average of math, English and science: 41% in 2022-23 → 57% in 2025-26 45% 276 Hispanic 71%