Serving 670 students in grades Kindergarten-6, Mary Deterding Elementary School ranks in the top 20% of all schools in California for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 56% (which is higher than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 66% (which is higher than the California state average of 47%).
The student-teacher ratio of 27:1 is higher than the California state level of 21:1.
Minority enrollment is 46% of the student body (majority Hispanic and Asian), which is lower than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- Grades: Kindergarten-6
- Enrollment: 670 students
- Student-Teacher Ratio: 27:1
- Minority Enrollment: 46%
- Overall Testing Rank: Top 20% in CA
- Math Proficiency: 56% (Top 20%)
- Reading Proficiency: 66% (Top 20%)
- Science Proficiency: 55-59% (Top 10%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Mary Deterding Elementary School ranks among the top 20% of public schools in California for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
School Overview
Mary Deterding Elementary School's student population of 670 students has grown by 10% over five school years.
The teacher population of 25 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Kindergarten-6
Total Students
670 students
Total Classroom Teachers
25 teachers
School Rankings
Mary Deterding Elementary School ranks within the top 20% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Mary Deterding Elementary School is 0.65, which is more 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
#1498 out of 9523 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
56%
34%
Reading/Language Arts Test Scores (% Proficient)
66%
47%
Science Test Scores (% Proficient)
55-59%
29%
Student-Teacher Ratio
27:1
21:1
American Indian
n/a
1%
Asian
14%
12%
Hispanic
17%
56%
Black
3%
5%
White
54%
20%
Hawaiian
n/a
n/a
Two or more races
12%
6%
All Ethnic Groups
Eligible for Free Lunch
48%
54%
Eligible for Reduced Lunch
3%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Notes
- School Mascot: Eagles
Frequently Asked Questions
What is Mary Deterding Elementary School's ranking?
Mary Deterding Elementary School is ranked #1498 out of 9,523 schools, which ranks it among the top 20% of public schools in California.
What schools are Mary Deterding Elementary School often compared to?
Mary Deterding Elementary Schoolis often viewed alongside schools like Del Dayo Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
56% of students have achieved math proficiency (compared to the 34% CA state average), while 66% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Mary Deterding Elementary School?
670 students attend Mary Deterding Elementary School.
What is the racial composition of the student body?
54% of Mary Deterding Elementary School students are White, 17% of students are Hispanic, 14% of students are Asian, 12% of students are Two or more races, and 3% of students are Black.
What is the student-teacher ratio of Mary Deterding Elementary School?
Mary Deterding Elementary School has a student ration of 27:1, which is higher than the California state average of 21:1.
What grades does Mary Deterding Elementary School offer ?
Mary Deterding Elementary School offers enrollment in grades Kindergarten-6
What school district is Mary Deterding Elementary School part of?
Mary Deterding Elementary School is part of San Juan Unified School District.
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