Enrollment
464
California · 2024-25 NCES data
Elementary school (grades K-5) · Grass Valley, CA
Lyman Gilmore Middle
Federal NCES profile for Lyman Gilmore Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 17/100.
2024-25 NCES dataElementary school (grades K-5)NCES 061578001997
👥 S:T ratio 31
🌟 Gifted program 30
🎓 Counselors 7
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Lyman Gilmore Middle earns 17/100 on the Resource Investment Index, even as it posts class sizes smaller than 83% of California schools.
- #9 of 12
- elementary schools in Grass Valley · Resource Index
- 17
- Resource Index · Lower
- 17.2:1
- small classes for California
- 65.5%
- free-lunch eligible
Lyman Gilmore Middle has class sizes smaller than 83% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Lyman Gilmore Middle ranks #9 of 12 elementary schools in Grass Valley, CA.
School address
District: Grass Valley Elementary · California
NCES ID 061578001997 Verify on NCES CCD record →
Teachers (FTE)
27.0
Federal CCD staff survey
Students per teacher
17.2:1
vs 21.5:1 California avg
-20% vs state
Free-lunch eligible
65.5%
vs 55.5% California avg
+18% vs state
Student-teacher ratio in context
How Lyman Gilmore Middle compares with California and U.S. medians
What stands out at Lyman Gilmore Middle
Lyman Gilmore Middle is a higher-need, mid-sized elementary school in Grass Valley, California, enrolling 464 students.
Class sizes run a bit leaner than typical: 17.2:1 puts it in the smaller third of California schools by student-teacher ratio.
Its free-meal eligibility rate of 65.5% lands close to the California typical range, neither a high- nor low-need campus by this measure.
With 464 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Among 1,989 similarly sized, similarly resourced-need California schools statewide, it ranks #1,517, in the lower tier once campus size and economic need are matched.
Its student body is led by White (67%) and Hispanic or Latino (24%) (diversity index 50/100).
Counselor access is stretched at roughly 464 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 61.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Grass Valley's elementary schools, it stands alongside Grass Valley Charter (546 students): Lyman Gilmore Middle is smaller than that campus by headcount and runs leaner classes (17.2:1 vs 24.8:1).
Grass Valley Elementary also operates Grass Valley Charter (546 students) and Margaret G. Scotten Elementary (357 students) alongside Lyman Gilmore Middle.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Lyman Gilmore Middle compares
Lyman Gilmore Middle on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.2:1 | ▼ 20% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 65.5% | ▲ 18% | 55.5% | 51.7% |
| Enrollment | 464 | top 50% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.2:1
Leaner classes than 29% of US schools, heavier class loads than most.
464
Bigger than 57% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
65.5%
free-lunch eligible
- 18% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
17.2:1
students per teacher
- 20% below state mean
Top 17% in California - lower ratio than 83% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
61.0%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$14,332
per pupil, district-wide
- below California avg of $16,509
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 464 students, the combined health-and-guidance staffing load for this school.
Discipline context
3
in-school suspensions + 26 out-of-school
Suspension rate: 0.6 per 100 students. Combined in-school and out-of-school rate: 6.3 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 66.6%
Hispanic or Latino 23.9%
Two or More 3.9%
Asian 2.4%
American Indian / Alaska Native 2.2%
African American 0.9%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 66.6% of enrollment.
Student-body diversity index 49.7/100
Simpson diversity index - at 49.7, Lyman Gilmore Middle is more mixed than the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for Grass Valley Elementary, which includes Lyman Gilmore Middle.
$14,332
Per student
-13%
vs California
Avg $16,509
-14%
vs U.S.
Avg $16,593
Revenue mix
Local 58.8%
State 27.7%
Federal 13.5%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Lyman Gilmore Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Grass Valley Charter | Similar size | Lower economic need | Higher S:T ratio |
| Margaret G. Scotten Elementary | Similar size | Similar economic need | Higher S:T ratio |
| Bell Hill Academy | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Lyman Gilmore Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 546
- Students per teacher
- 24.8:1
- Resource Index
- 9/100
- Enrollment
- 357
- Students per teacher
- 19.8:1
- Resource Index
- 17/100
- Enrollment
- 246
- Students per teacher
- 24.6:1
- Resource Index
- 11/100
Similar elementary schools in Grass Valley
6 comparable elementary schools (grades K-5) serving the same city.
Grass Valley Charter
Standard public school
546 students 24.8:1 students per teacher
Union Hill Elementary
Standard public school
542 students 20.8:1 students per teacher
Cottage Hill Elementary
Standard public school
485 students 24.3:1 students per teacher
Margaret G. Scotten Elementary
Standard public school
357 students 19.8:1 students per teacher
Alta Sierra Elementary
Standard public school
338 students 22.5:1 students per teacher
Yuba River Charter
Standard public school
323 students 23.1:1 students per teacher
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~464 students)
Similar student-teacher ratio (~17.2:1)
Next steps
Verify locally before acting on Lyman Gilmore Middle's federal record.
- Compare Lyman Gilmore Middle against another school. Compare schools
- Grass Valley Elementary's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Lyman Gilmore Middle
How many students attend Lyman Gilmore Middle?
Lyman Gilmore Middle has 464 students enrolled. It is an elementary school in Grass Valley, CA.
What is the student-teacher ratio at Lyman Gilmore Middle?
The student-teacher ratio at Lyman Gilmore Middle is 17.2:1, which is 20% lower than the California average of 21.5:1 and 10% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Lyman Gilmore Middle?
65.5% of students at Lyman Gilmore Middle are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Lyman Gilmore Middle?
The largest demographic group at Lyman Gilmore Middle is White at 66.6% of enrollment, in Grass Valley, CA.
What is the Resource Investment Index for Lyman Gilmore Middle?
Lyman Gilmore Middle has a Resource Investment Index of 17/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Lyman Gilmore Middle rank among elementary schools in Grass Valley?
By Resource Investment Index, Lyman Gilmore Middle ranks #9 of 12 elementary schools in Grass Valley, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Grass Valley on the city page.
Is Lyman Gilmore Middle a good school?
Lyman Gilmore Middle earns 17/100 on the Resource Investment Index, even as it posts class sizes smaller than 83% of California schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Grass Valley Elementary?
Besides Lyman Gilmore Middle, Grass Valley Elementary also operates Grass Valley Charter (546 students), Margaret G. Scotten Elementary (357 students), and Bell Hill Academy (246 students). See the Grass Valley Elementary district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.