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What advice would you give to incoming students at River Islands High?
Community prompt from u/allk12. Replies below.
Enrollment
512
High
STATE 838
SCHOOL COMMUNITY·RIVER ISLANDS HIGH DISTRICT·NCES 060257414622
River Islands High
16601 Riptide Way, Lathrop, CA 95330 · (209) 717-6715 · San Joaquin County
GRADES 09–12HIGH41-RURALCHARTERREGULAR SCHOOL512 STUDENTS
·
allk12 Grade
Not graded
This school has no state test results for 2023-24 or 2024-25 to grade, which is common for schools that end before third grade. How grades work
Student : Teacher
18.6:1
28 FTE teachers
STATE 18.2:1
Free / Reduced Lunch
38%
194 students
STATE 65%
Community
5
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 214 | 42% |
| Grade 10 | 173 | 34% |
| Grade 11 | 125 | 24% |
Student demographics
66%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
STATE 62% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Schools most like River Islands High
| School | Students | Low-income | Proficient |
|---|---|---|---|
| River Islands High this school | 512 | 37.9% | N/A |
| California Academy of Mathematics and Science Carson | 673 | 37.4% | 96.2% |
| Hercules High Hercules | 767 | 41.7% | 50.0% |
| Natomas Pacific Pathways Prep Sacramento | 629 | 36.4% | 60.4% |
| University Preparatory Academy Charter San Jose | 727 | 27.8% | N/A |
| Wallenberg (Raoul) Traditional High San Francisco | 522 | 50.8% | 47.3% |
Matched among California high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where River Islands High ranks
Among high schools| Measure | This school | In California | In San Joaquin County |
|---|---|---|---|
| Enrollment ranked largest first | 512 | #1,017 of 2,093 | #24 of 46 |
| Students per teacher ranked fewest first | 18.6:1 | #350 of 1,352 | #7 of 32 |
| Diversity index ranked most diverse first | 66.3% | #220 of 1,351 | #4 of 32 |
| Free and reduced lunch ranked highest share first | 37.9% | #1,320 of 1,575 | #38 of 41 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 512 | 27.6 | 18.6:1 | 38% (194) |
| 2023-24 | 278 | 15.7 | 17.8:1 | 43% (119) |
| 2022-23 | 108 | 9.3 | 11.7:1 | 39% (42) |
Source: NCES Common Core of Data. Rows are the federal collections on file for River Islands High.
About River Islands High
River Islands High is a small high school in Lathrop, California, one of the schools in River Islands High District. In all, 512 students attend the school in grades 9 through 12. By comparison, high schools in California enroll about 838 students on average.
Federal records list River Islands High District as the district for River Islands High.
About 48% of students at River Islands High are Asian, the largest single group. After that, the student body is 30% Hispanic, 11% Black, and 8% White. Among all residents of San Joaquin County, the Asian share is about 19%. Its diversity index, the chance that two randomly chosen students belong to different racial or ethnic groups, is 66%.
River Islands High lists 27.6 full-time-equivalent teachers; that is about 18.6 students per teacher. The average ratio among high schools in California is similar, at 18.2:1. About 38% of students at River Islands High are eligible for free or reduced-price lunch. That rate is below the 66% average among public schools in San Joaquin County.
In the surrounding county, San Joaquin County, median household income comes to about $92,179, about 23% of adults have at least a bachelor's degree, and the poverty rate is about 10%. The county's public schools total 251, with about 153,026 students.
EPIC Academy is the nearest public school to River Islands High, about 0.8 miles away. Other public schools within five miles number at least 8.
The NCES locale for River Islands High is Rural: Fringe, which covers schools in rural territory close to an urban area. River Islands High is a charter school, a type of public school that operates under a charter.
People who know River Islands High can post here about homework, tutoring, and testing dates. Parents, students, alumni, and staff are welcome to post.
San Joaquin County at a glance
View full county profilePopulation
797,334
Census ACS
Median income
$92,179
Household, ACS
Bachelor's+
23%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
251
153,026 students
Quick facts
Related schools
Other schools in Lathrop
- Lathrop HighHigh · 1,486 students
- Mossdale ElementaryElementary · 1,087 students
- EPIC AcademyElementary · 1,025 students
- Lathrop ElementaryElementary · 1,000 students
- River Islands Technology Academy IIElementary · 954 students
- Joseph Widmer Jr. ElementaryElementary · 923 students
Nearby schools
- EPIC Academy0.8 mi · 1,025
- River Islands Technology Academy II2.0 mi · 954
- NextGeneration STEAM Academy2.1 mi · 797
- Mossdale Elementary2.6 mi · 1,087
- Lathrop High2.9 mi · 1,486
- Banta Charter3.9 mi · 73
Frequently asked questions
About River Islands HighHow many students attend River Islands High?
River Islands High enrolls approximately 512 students in grades 09-12.
Is River Islands High an elementary, middle, or high school?
River Islands High is a high school covering grades 09-12.
How many teachers does River Islands High have?
River Islands High employs 28 FTE teachers, for a student-to-teacher ratio of 18.6:1.
What is the student diversity at River Islands High?
Student demographics at River Islands High are roughly 8% White, 30% Hispanic, 11% Black, 48% Asian, 1% Two or more.
Is River Islands High public or private?
River Islands High is a public K-12 school operated as a charter, overseen by River Islands High District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.