Very Good
#2517 of 9,539 schools in CA
Top 26% in state
Old River Elementary
Elementary School · Knightsen Elementary
PO Box 265, Knightsen, CA 94548
Enrollment
309
Student-Teacher
23.8:1
Score
7.5
Grades
Kindergarten – 8th
Enrollment
309
Student-Teacher
23.8:1
Score
7.5
Grades
Kindergarten – 8th
Data vintage
2022-23
Data vintage2022-23
How this school compares
California schools
#2,517 of 9,539
In Knightsen
#1 of 2
public schools
In district
#1 of 2
Knightsen Elementary
Academic growth
9.8 / 10
Excellent
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Old River Elementary
Elementary School in Knightsen · grades Kindergarten – 8th. Start here, then compare fit against nearby and district options.
Loe Hart School
1.0 mi away. Use as a geographic alternative in the same move search.
Timber Point Elementary
1.9 mi away. Use as a geographic alternative in the same move search.
About Old River Elementary
Old River Elementary is a public elementary school in Knightsen, CA, part of Knightsen Elementary. Old River Elementary serves approximately 309 students, and covers grades Kindergarten-8th, and has a 23.8:1 student-teacher ratio. Old River Elementary has a current MySchoolScout rating of 7.5 out of 10 and ranks #2,517 of 9,539 schools in CA.
Structured state assessment records for Old River Elementary show 49% math proficiency (multi-year average, 2016-2024) and 57% reading/ELA proficiency (multi-year average, 2016-2024).
- This school 7.5 · Very Good
- District avg 5.8
- CA avg 6.2
What Parents Should Know
Old River Elementary runs 23.8:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.
Old River Elementary sits in a rural area, which can mean longer drives for some families. Rural schools are often community anchors with smaller classes, but check transportation, after-school options, and access to specialized services before you commit.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Old River Elementary — Students at Old River Elementary score 54% proficient, which is below what's typical for similar communities (expected: 66%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
15.5%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 24 test records from CA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.8/10.
How Old River Elementary Compares
See how Old River Elementary performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Location
PO Box 265, Knightsen, CA 94548
Nearby Alternatives
Families considering Old River Elementary may also want to explore other elementary schools in the area. Summer Lake Elementary (rated 7.7/10, 3.4 miles away, in nearby Oakley), with a very similar rating. Another option is Marsh Creek Elementary (rated 7.4/10, 4.9 miles away, in nearby Brentwood), with a very similar rating. Additionally, Discovery Bay Elementary (rated 7.1/10, 2.6 miles away, in nearby Discovery Bay), with a comparable rating. For more schools in Knightsen, see our Knightsen schools guide .
Nearby Schools
20 within 4.9 mi| School | Distance | Rating |
|---|---|---|
| Loe Hart School Discovery Bay | 1.0 mi | — |
| Timber Point Elementary Discovery Bay | 1.9 mi | 4.5 |
| Byron Institute for Independent Study Discovery Bay | 1.9 mi | — |
| ALL GOD'S CHILDREN CHRISTIAN SCHOOL Discovery Bay | 2.6 mi | 4.6 |
| All God's Children Christian School Discovery Bay | 2.6 mi | — |
| Discovery Bay Elementary Discovery Bay | 2.6 mi | 7.1 |
| Summer Lake Elementary Oakley | 3.4 mi | 7.7 |
| Knightsen Elementary Knightsen | 3.2 mi | 4.2 |
| Excelsior Middle Byron | 4.1 mi | 6.2 |
| La Paloma High (Continuation) Brentwood | 3.5 mi | 5.9 |
| Mary Casey Black Elementary Brentwood | 3.9 mi | 6.9 |
| Garin Elementary Brentwood | 3.9 mi | 6.7 |
| Edna Hill Middle Brentwood | 3.9 mi | 5.8 |
| Liberty High Brentwood | 4.1 mi | 7.2 |
| LOVE FOR LEARNING Brentwood | 4.1 mi | — |
| Celebration Center Brentwood | 4.2 mi | — |
| Independence High Brentwood | 4.2 mi | 6.6 |
| Brentwood Elementary Brentwood | 4.8 mi | 5.7 |
| Gehringer Elementary Oakley | 5.2 mi | 4.0 |
| Marsh Creek Elementary Brentwood | 4.9 mi | 7.4 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 94548 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$183,100
Median Home Value
$918,100
Population
637
College Educated
33.9%
Homeownership
100%
Poverty Rate
3.1%
Median Age
29.6
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Abraham Lincoln Elementary Costa Mesa, CA | 7.5 |
| Alcott Elementary San Diego, CA | 7.5 |
| Arellanes (Don Juan Bautista) Elementary Santa Maria, CA | 7.5 |
| Aspen Elementary Thousand Oaks, CA | 7.5 |
| Bella Vista Elementary Bella Vista, CA | 7.5 |
| Blanche Sprentz Elementary Folsom, CA | 7.5 |
Frequently Asked Questions
Common questions about Old River Elementary
What grades does Old River Elementary serve?
Old River Elementary serves students in grades Kindergarten through 8th.
How many students attend Old River Elementary?
Old River Elementary has an enrollment of approximately 309 students.
What is the student-teacher ratio at Old River Elementary?
The student-teacher ratio at Old River Elementary is 23.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Old River Elementary rank in CA?
Old River Elementary ranks #2,517 of 9,539 schools in CA.
What is Old River Elementary's MySchoolScout rating?
Old River Elementary has a current MySchoolScout rating of 7.5 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Old River Elementary?
Based on loaded state assessment records, Old River Elementary has 49% math proficiency (multi-year average, 2016-2024) and 57% reading/ELA proficiency (multi-year average, 2016-2024).
Is Old River Elementary a charter school?
No, Old River Elementary is not a charter school. It is a traditional public school operated by the local school district.
Is Old River Elementary a Title I school?
No, Old River Elementary is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Old River Elementary?
15.5% of students at Old River Elementary qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 8th
- Enrollment
- 309
- Student-Teacher Ratio
- 23.8:1
- Teachers (FTE)
- 13
- Free/Reduced Lunch
- 15.5%
- Type
- regular
- Setting
- Fringe Rural
- County
- Contra Costa County
- Chronic Absenteeism (SY 2022-23)
- 29.1%
- Phone
- (925) 626-3330
Resources & Links
District
Knightsen Elementary- District Enrollment
- 596
- Schools in District
- 2
- Per-Pupil Spending
- $13,146
- District Rank
- #1 of 2
Other Schools in This District
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