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Isleton Chinese and Japanese Commercial Districts - Stierch 2Photo: Sarah Stierch · CC BY 4.0
Schools in Isleton

Isleton’s public schools

River Delta Joint Unified School District has no state test or graduation results we can use, so there is no Schools grade for Isleton. Each school below is shown with its own results.

—Not gradedK–12Where will my kid go?

Tests spring 2022, when 96% of students in California’s tested grades sat them, and the class of 2023’s graduation rate (U.S. Department of Education). How TownRatings grades schools

Reading proficiency
40%
2021–22
Math proficiency
21%
2021–22
Graduate on time
98%
class of 2023
Spent per student
$21.0K
▼ 1% vs CA $21.2K
FY2024
Students per teacher
18.1
CA 21.6 · smaller classes
Schools in town
1
1,032 students on the public path
In brief

Isleton’s schools, in brief

Written from the figures on this page. Tests are from 2021–22, graduation from the class of 2023; each school’s own letter uses 2020–21 results.

Where will my kid go?

Pick a grade. These are the public schools in Isleton, with each school’s own grade.

The path, start to finish
K–6Isleton ElementaryRiver Delta Joint Unified School DistrictNo scores
7–92 schoolsDepends on your addressNo scores
10–122 high schoolsDepends on your addressNo scores

Which school depends on your address. To confirm it, ask the River Delta Joint Unified School District.

The district

Spending and class size are shown but don’t count toward the grade. Each district’s own page has every school.

River Delta Joint Unified School DistrictGrades K–12 · 11 schools · 1,705 students, down 9% since 2020–21 · 18.1 per teacher (CA 21.6)
$21,033CA $21,206 · FY2024
B
Test scores · 2021–22

Well below the state in reading

Reading40%
State average 46.7% · 921 students tested
Math21%
State average 33.1% · 924 students tested

Isleton vs. its neighbors

Schools grades for the California towns that share Isleton’s borders.

Schools next door
TownSchoolsMain districts
Isleton—River Delta Joint Unified

Every school in Isleton

5 schools. Each public school’s letter compares its own 2020–21 reading and math results with California’s other public schools (the newest school-level results we have).

District schools in Isletonby address
Isleton Elementary
Elementary · Grades K–6
188 students24:1Rate it →
Also serving Isletonin other towns
Clarksburg Middle
Middle · Grades 7–9 · Clarksburg
171 students17:1Rate it →
Riverview Middle
Middle · Grades 7–8 · Rio Vista
160 students18:1Rate it →
Rio Vista High
High · Grades 9–12 · Rio Vista
317 students17:1Rate it →
Delta High
High · Grades 10–12 · Clarksburg
196 students16:1Rate it →

Questions about Isleton’s schools

Are Isleton’s schools good?

There’s no Schools grade for Isleton. River Delta Joint Unified School District has no state test or graduation results we can use, so there is no Schools grade for Isleton. Each school below is shown with its own results.

What school district is Isleton in?

River Delta Joint Unified School District.

Where do Isleton kids go to high school?

One of two high schools, depending on your address: Rio Vista High and Delta High.

Parents talk

What Isleton families are saying about school.

Town Square →
Start the conversation

Looking for colleges? Colleges near Isleton → They have their own page.

School data: state test results (2021–22, with participation) and four-year graduation rates (class of 2023) reported to the U.S. Department of Education (EDFacts via ED Data Express); each school’s own letter uses its 2020–21 results (EDFacts via the Urban Institute); schools and enrollment from NCES (2024–25; private schools 2023–24); spending from the Census Bureau’s school finance survey (FY2024). Stars are from neighbors.