Serving 648 students in grades Kindergarten-5, Twin Oaks Elementary School ranks in the top 50% of all schools in California for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 46% (which is higher than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 48% (which is higher than the California state average of 47%).
The student-teacher ratio of 21:1 is equal to the California state level of 21:1.
Minority enrollment is 69% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- Grades: Kindergarten-5
- Enrollment: 648 students
- Student-Teacher Ratio: 21:1
- Minority Enrollment: 69%
- Overall Testing Rank: Top 50% in CA
- Math Proficiency: 46% (Top 30%)
- Reading Proficiency: 48% (Top 50%)
- Science Proficiency: 30-34% (Top 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Overview
Twin Oaks Elementary School's student population of 648 students has stayed relatively flat over five school years.
The teacher population of 31 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Kindergarten-5
Total Students
648 students
Total Classroom Teachers
31 teachers
School Calendar
School Rankings
Twin Oaks Elementary School ranks within the top 50% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Twin Oaks Elementary School is 0.56, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#3132 out of 9523 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
46%
34%
Reading/Language Arts Test Scores (% Proficient)
48%
47%
Science Test Scores (% Proficient)
30-34%
29%
Student-Teacher Ratio
21:1
21:1
American Indian
n/a
1%
Asian
4%
12%
Hispanic
59%
56%
Black
1%
5%
White
31%
20%
Hawaiian
n/a
n/a
Two or more races
5%
6%
All Ethnic Groups
Eligible for Free Lunch
41%
54%
Eligible for Reduced Lunch
7%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Twin Oaks Elementary School's ranking?
Twin Oaks Elementary School is ranked #3132 out of 9,523 schools, which ranks it among the top 50% of public schools in California.
What percent of students have achieved state testing proficiency in math and reading?
46% of students have achieved math proficiency (compared to the 34% CA state average), while 48% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Twin Oaks Elementary School?
648 students attend Twin Oaks Elementary School.
What is the racial composition of the student body?
59% of Twin Oaks Elementary School students are Hispanic, 31% of students are White, 5% of students are Two or more races, 4% of students are Asian, and 1% of students are Black.
What is the student-teacher ratio of Twin Oaks Elementary School?
Twin Oaks Elementary School has a student ration of 21:1, which is equal to the California state average of 21:1.
What grades does Twin Oaks Elementary School offer ?
Twin Oaks Elementary School offers enrollment in grades Kindergarten-5
What school district is Twin Oaks Elementary School part of?
Twin Oaks Elementary School is part of San Marcos Unified School District.
School Reviews
Review Twin Oaks Elementary School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.
