Excellent
#731 of 9,539 schools in CA
Top 8% in state
Grand Island Elementary
Elementary School · Pierce Joint Unified · Grimes, CA
A Pierce Joint Unified elementary school serving grades Kindergarten – 6th.
PO Box 30, Grimes, CA 95950
- Math 32% vs CA 36% (2024)
- Reading 32% vs CA 47% (2024)
- 15:1 student-teacher ratio
Academics
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Students at Grand Island Elementary score 32% proficient, which is below what's typical for similar communities (expected: 33%).
2024 CAASPP proficiency
Most recent published year. School vs. CA average.
Trend
↓ DecliningProficiency has fallen 18 points since 2018, to 32% in 2024, across a 16-year record (2009–2024).
Show all 12 years
Multi-year averages used by the rating model: math 29% (multi-year average, 2009-2024) · reading/ELA 29% (multi-year average, 2009-2024)
Based on 24 test records from CA state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
73.3%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Grand Island Elementary sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.
Getting around & local context
- Walk 7Car-Dependent
- Bike 29Somewhat Bikeable
- County Safety: Average530/100K
Powered by
FBI Uniform Crime Reporting · 2024 · county context, not school-level safety or attendance eligibility. Source details
Source period: 2024. A newer release may be available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median rent
$795/mo
College educated
13.8%
Homeownership
55.4%
Poverty rate
43.1%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 95950; this is area context, not an attendance boundary.
Compare nearby
Nearby same-level schools
2 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Feather River CharterCharter · enrollment unverified | 5.7 | K–12 | 3.2 mi | 2,562 | Compare → |
| Arbuckle ElementaryEnrollment path unverified | 5.6 | K–5 | Not available | 602 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Pierce Joint Unified
- Schools in district
- 5
- Rank in district
- #1 of 4
- District spending per student
- $13,742NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 12.2%Census SAIPE · 2024
Grand Island Elementary is listed in Pierce Joint Unified; a district label does not verify attendance for an address.
About Grand Island Elementary
Grand Island Elementary is a public elementary school in Grimes, CA, part of Pierce Joint Unified, serving approximately 45 students in grades Kindergarten-6th with a 15:1 student-teacher ratio. It holds a MySchoolScout rating of 8.6 out of 10 and ranks #731 of 9,539 schools in CA. State assessment records show 29% math proficiency (multi-year average, 2009-2024) and 29% reading/ELA proficiency (multi-year average, 2009-2024).
Frequently asked questions
Common questions about Grand Island Elementary
What grades does Grand Island Elementary serve?
Grand Island Elementary serves students in grades Kindergarten through 6th.
How many students attend Grand Island Elementary?
Grand Island Elementary has an enrollment of approximately 45 students.
What is the student-teacher ratio at Grand Island Elementary?
The student-teacher ratio at Grand Island Elementary is 15:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Grand Island Elementary rank in CA?
Grand Island Elementary ranks #731 of 9,539 schools in CA.
What is Grand Island Elementary's MySchoolScout rating?
Grand Island Elementary has a current MySchoolScout rating of 8.6 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 Grand Island Elementary?
Based on loaded state assessment records, Grand Island Elementary has 29% math proficiency (multi-year average, 2009-2024) and 29% reading/ELA proficiency (multi-year average, 2009-2024).
Is Grand Island Elementary a charter school?
No, Grand Island Elementary is not a charter school. It is a traditional public school operated by the local school district.
Is Grand Island Elementary a Title I school?
No, Grand Island Elementary is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Grand Island Elementary?
73.3% of students at Grand Island 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.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- Kindergarten – 6th
- Enrollment
- 45
- Student-Teacher Ratio
- 15:1
- Teachers (FTE)
- 3
- Type
- regular
- Setting
- Distant Rural
- County
- Colusa County
- Chronic Absenteeism (SY 2022-23)
- 28.9%
- Phone
- (530) 437-2416
- Area population (ZIP 95950)
- 452
- Area median age
- 57.5
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2024 CAASPP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 CAASPP. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2024 CAASPP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 CAASPP. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 95950; this does not measure the attendance area.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2024; directory SY 2023–24
Related reading
- Best Elementary Schools in America: 2026 Rankingsbest schools
- Best Public Schools in California 2026: Top-Ranked Elementary, Middle & High Schoolsbest schools
- Best School Districts to Move To in 2026: A Data-Driven Guidebest schools
- Best Schools in Los Angeles, CA — 2026 Rankingsbest schools
- Best Schools in San Diego, CA — 2026 Rankingsbest schools
Get school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.