Serving 376 students in grades Kindergarten-5, Allen (Decima M.) Elementary School ranks in the top 50% of all schools in California for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 30-34% (which is approximately equal to the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 40-44% (which is lower than the California state average of 47%).
The student-teacher ratio of 24:1 is higher than the California state level of 21:1.
Minority enrollment is 99% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- Grades: Kindergarten-5
- Enrollment: 376 students
- Student-Teacher Ratio: 24:1
- Minority Enrollment: 99%
- Overall Testing Rank: Top 50% in CA
- Math Proficiency: 30-34% (Top 50%)
- Reading Proficiency: 40-44% (Top 50%)
- Science Proficiency: ≤10% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Overview
Allen (Decima M.) Elementary School's student population of 376 students has stayed relatively flat over five school years.
The teacher population of 16 teachers has grown by 6% over five school years.
Grades Offered
Grades Kindergarten-5
Total Students
376 students
Gender %
Total Classroom Teachers
16 teachers
School Rankings
Allen (Decima M.) 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 Allen (Decima M.) Elementary School is 0.55, 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
#4271 out of 9523 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
30-34%
34%
Reading/Language Arts Test Scores (% Proficient)
40-44%
47%
Science Test Scores (% Proficient)
≤10%
29%
Student-Teacher Ratio
24:1
21:1
American Indian
n/a
1%
Asian
13%
12%
Hispanic
64%
56%
Black
2%
5%
White
1%
20%
Hawaiian
5%
n/a
Two or more races
15%
6%
All Ethnic Groups
Eligible for Free Lunch
51%
54%
Eligible for Reduced Lunch
9%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Allen (Decima M.) Elementary School's ranking?
Allen (Decima M.) Elementary School is ranked #4271 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?
30-34% of students have achieved math proficiency (compared to the 34% CA state average), while 40-44% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Allen (Decima M.) Elementary School?
376 students attend Allen (Decima M.) Elementary School.
What is the racial composition of the student body?
64% of Allen (Decima M.) Elementary School students are Hispanic, 15% of students are Two or more races, 13% of students are Asian, 5% of students are Hawaiian, 2% of students are Black, and 1% of students are White.
What is the student-teacher ratio of Allen (Decima M.) Elementary School?
Allen (Decima M.) Elementary School has a student ration of 24:1, which is higher than the California state average of 21:1.
What grades does Allen (Decima M.) Elementary School offer ?
Allen (Decima M.) Elementary School offers enrollment in grades Kindergarten-5
What school district is Allen (Decima M.) Elementary School part of?
Allen (Decima M.) Elementary School is part of San Bruno Park Elementary School District.
School Reviews
Review Allen (Decima M.) 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
