River Islands High School District

2760 Penrose Ln.
Lathrop, CA 95330

Top Rankings

River Islands High School District ranks among the top 20% of public school district in California for:

Category
Attribute
Diversity
Most diverse schools (Top 1%)
Student Attention
Lowest student-teacher ratio (Top 1%)
For the 2026 school year, there is 1 public school serving 278 students in River Islands High School District.
Public Schools in River Islands High School District have a diversity score of 0.72, which is more than the California public school average of 0.63.
Minority enrollment is 89% of the student body (majority Asian and Hispanic), which is more than the California public school average of 80% (majority Hispanic).

Overview

This School District
This State (CA)
# Schools
1 School
10,360 Schools
# Students
278 Students
5,826,337 Students
# Teachers
16 Teachers
267,972 Teachers
Student-Teacher Ratio
17:1
17:1

Student By Grade

Students by Ethnicity:

0.72
0.63
% American Indian
1%
1%
% Asian
39%
12%
% Hispanic
33%
56%
% Black
7%
5%
% White
11%
20%
% Hawaiian
2%
n/a
% Two or more races
7%
6%
All Ethnic Groups

Best River Islands High School District Public Schools (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: n/an/a
2760 Penrose Ln.
Lathrop, CA 95330
(209) 717-6715
Gr: 9-12 | 278 students Student-teacher ratio: 17:1 Minority enrollment: 89%

Frequently Asked Questions

How many schools belong to River Islands High School District?
River Islands High School District manages 1 public schools serving 278 students.
What is the racial composition of students in River Islands High School District?
39% of River Islands High School District students are Asian, 33% of students are Hispanic, 11% of students are White, 7% of students are Black, 7% of students are Two or more races, 2% of students are Hawaiian, and 1% of students are American Indian.
What is the student/teacher ratio of River Islands High School District?
River Islands High School District has a student/teacher ratio of 17:1, which is lower than the California state average of 22:1.

Recent Articles

Helping Children Overcome First-Week School Anxiety
Helping Children Overcome First-Week School Anxiety
Learn practical strategies to help children overcome first-week school anxiety, with expert-backed tips for parents and educators.
Public School Immunization Requirements 2026–2027
Public School Immunization Requirements 2026–2027
Learn public school immunization and health requirements for 2026–2027, including vaccines, exemptions, and state policy updates.
Public Schools in a Minute: 2026 Snapshot Guide
Public Schools in a Minute: 2026 Snapshot Guide
A clear 2026 snapshot of public schools in the U.S., including enrollment, funding, trends, and what families should know.

Quick Facts (2026)

  • District size: 1 school
  • Grades: 09-12
  • Enrollment: 278 students
  • Student-Teacher Ratio: 17:1
  • Minority Enrollment: 89%
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

Quick Links