Serving 287 students in grades 4-5, Arroyo ranks in the top 5% of all schools in California for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 77% (which is higher than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 79% (which is higher 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 45% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- Grades: 4-5
- Enrollment: 287 students
- Student-Teacher Ratio: 24:1
- Minority Enrollment: 45%
- Overall Testing Rank: Top 5% in CA
- Math Proficiency: 77% (Top 5%)
- Reading Proficiency: 79% (Top 10%)
- Science Proficiency: 60-64% (Top 10%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Arroyo 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
Arroyo's student population of 287 students has stayed relatively flat over five school years.
The teacher population of 12 teachers has grown by 9% over five school years.
Grades Offered
Grades 4-5
Total Students
287 students
Gender %
Total Classroom Teachers
12 teachers
School Calendar
Last Day of School
Fri. Jun 12, 2026
Average Class Size
25 students
School Rankings
Arroyo ranks within the top 5% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Arroyo is 0.63, which is equal to the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#397 out of 9523 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
77%
34%
Reading/Language Arts Test Scores (% Proficient)
79%
47%
Science Test Scores (% Proficient)
60-64%
29%
Student-Teacher Ratio
24:1
21:1
American Indian
n/a
1%
Asian
13%
12%
Hispanic
14%
56%
Black
n/a
5%
White
55%
20%
Hawaiian
n/a
n/a
Two or more races
18%
6%
All Ethnic Groups
Eligible for Free Lunch
6%
54%
Eligible for Reduced Lunch
1%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Arroyo's ranking?
Arroyo is ranked #397 out of 9,523 schools, which ranks it among the top 5% of public schools in California.
What schools are Arroyo often compared to?
Arroyois often viewed alongside schools like San Carlos Charter Learning Center, Mariposa by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
77% of students have achieved math proficiency (compared to the 34% CA state average), while 79% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Arroyo?
287 students attend Arroyo.
What is the racial composition of the student body?
55% of Arroyo students are White, 18% of students are Two or more races, 14% of students are Hispanic, and 13% of students are Asian.
What is the student-teacher ratio of Arroyo?
Arroyo has a student ration of 24:1, which is higher than the California state average of 21:1.
What grades does Arroyo offer ?
Arroyo offers enrollment in grades 4-5
What school district is Arroyo part of?
Arroyo is part of San Carlos Elementary School District.
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