Enrollment
469
Michigan · 2024-25 NCES data
Elementary school (grades K-5) · South Lyon, MI
William a Brummer Elementary School
Federal NCES profile for William a Brummer Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 52/100.
2024-25 NCES dataElementary school (grades K-5)NCES 263225001245
👥 S:T ratio 28
🌟 Gifted program 30
📋 Attendance 99
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
William a Brummer Elementary School earns 52/100 on the Resource Investment Index, with class sizes near the Michigan median.
- #1 of 4
- elementary schools in South Lyon · Resource Index
- 52
- Resource Index · Higher
- 18:1
- students per teacher
- 18.4%
- free-lunch eligible
William a Brummer Elementary School has class sizes near the Michigan median. Computed live against every Michigan school reporting to NCES.
By Resource Investment Index, William a Brummer Elementary School ranks #1 of 4 elementary schools in South Lyon, MI.
School address
District: South Lyon Community Schools · Michigan
NCES ID 263225001245 Verify on NCES CCD record →
Teachers (FTE)
26.0
Federal CCD staff survey
Students per teacher
18:1
vs 17.5:1 Michigan avg
+3% vs state
Free-lunch eligible
18.4%
vs 54.3% Michigan avg
-66% vs state
Student-teacher ratio in context
How William a Brummer Elementary School compares with Michigan and U.S. medians
What stands out at William a Brummer Elementary School
William a Brummer Elementary School is a lower-poverty, mid-sized elementary school in South Lyon, Michigan, enrolling 469 students.
Class loads run somewhat heavier than typical: 18:1 puts it in the larger third of Michigan schools by student-teacher ratio.
Comparatively few students face economic hardship here, 18.4% free-meal eligibility runs 66% below the Michigan average.
Enrollment of 469 puts it in the larger third of Michigan schools by headcount.
Its Resource Investment Index outscores 95% of the 3,375 Michigan schools with a score on record, a top-tier result on this measure.
Among 445 similarly sized, similarly resourced-need Michigan schools statewide, it ranks #5, a top-tier result once campus size and economic need are matched.
Its student body is predominantly White (89% of enrollment) (diversity index 20/100).
Attendance holds up well here: only 0.4% of students were chronically absent, below the typical post-pandemic national figure.
Among South Lyon's elementary schools, it stands alongside William a Pearson Elementary (576 students): William a Brummer Elementary School is smaller than that campus by headcount and runs leaner classes (18:1 vs 19.9:1).
South Lyon Community Schools also operates South Lyon High School (1,245 students) and South Lyon East High School (1,174 students) alongside William a Brummer Elementary School.
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 William a Brummer Elementary School compares
William a Brummer Elementary School on the metrics families compare, against Michigan and U.S. means.
| Metric | This school | vs Michigan | Michigan avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18:1 | ▲ 3% | 17.5:1 | 15.7:1 |
| Free-lunch eligible | 18.4% | ▼ 66% | 54.3% | 51.7% |
| Enrollment | 469 | top 30% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18:1
Leaner classes than 24% of US schools, heavier class loads than most.
469
Bigger than 58% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
18.4%
free-lunch eligible
- 66% below the Michigan average of 54.3%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
18:1
students per teacher
- 3% above state mean
Top 63% in Michigan - lower ratio than 37% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
0.4%
chronically absent (missed 10%+ of school days)
Below 5%, comfortably under the pre-pandemic national baseline for chronic absenteeism.
Funding equity
$11,755
per pupil, district-wide
- below Michigan avg of $13,507
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 1 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.2 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 89.3%
Two or More 4.5%
Hispanic or Latino 3.4%
African American 1.5%
Asian 1.3%
Largest group: White at 89.3% of enrollment.
Student-body diversity index 19.9/100
Simpson diversity index - at 19.9, William a Brummer Elementary School is less mixed than the Michigan school average of 36.2.
Programs
Funding & spending
District-wide per-pupil expenditure for South Lyon Community Schools, which includes William a Brummer Elementary School.
$11,755
Per student
-13%
vs Michigan
Avg $13,507
-29%
vs U.S.
Avg $16,593
Revenue mix
Local 30.7%
State 63.6%
Federal 5.7%
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 William a Brummer Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| South Lyon High School | Larger | Similar economic need | Similar S:T ratio |
| South Lyon East High School | Larger | Similar economic need | Higher S:T ratio |
| Millennium Middle School | Larger | Similar economic need | Higher S:T ratio |
| Centennial Middle School | Larger | Similar economic need | Similar S:T ratio |
| William a Pearson Elementary | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to William a Brummer Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,245
- Students per teacher
- 17.3:1
- Resource Index
- 32/100
- Enrollment
- 1,174
- Students per teacher
- 21:1
- Resource Index
- 27/100
- Enrollment
- 1,049
- Students per teacher
- 20.2:1
- Resource Index
- 33/100
- Enrollment
- 898
- Students per teacher
- 18.7:1
- Resource Index
- 22/100
- Enrollment
- 576
- Students per teacher
- 19.9:1
- Resource Index
- 45/100
Similar elementary schools in South Lyon
1 comparable elementary schools (grades K-5) serving the same city.
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of Michigan, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~469 students)
Next steps
Verify locally before acting on William a Brummer Elementary School's federal record.
- Compare William a Brummer Elementary School against another school. Compare schools
- South Lyon Community Schools'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 William a Brummer Elementary School
How many students attend William a Brummer Elementary School?
William a Brummer Elementary School has 469 students enrolled. It is an elementary school in South Lyon, MI.
What is the student-teacher ratio at William a Brummer Elementary School?
The student-teacher ratio at William a Brummer Elementary School is 18:1, which is 3% higher than the Michigan average of 17.5:1 and 15% higher than the national average of 15.7:1.
What percentage of students receive free lunch at William a Brummer Elementary School?
18.4% of students at William a Brummer Elementary School are eligible for free lunch, compared to the Michigan average of 54.3%.
What is the racial and ethnic makeup of William a Brummer Elementary School?
The largest demographic group at William a Brummer Elementary School is White at 89.3% of enrollment, in South Lyon, MI.
What is the Resource Investment Index for William a Brummer Elementary School?
William a Brummer Elementary School has a Resource Investment Index of 52/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does William a Brummer Elementary School rank among elementary schools in South Lyon?
By Resource Investment Index, William a Brummer Elementary School ranks #1 of 4 elementary schools in South Lyon, MI. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in South Lyon on the city page.
Is William a Brummer Elementary School a good school?
William a Brummer Elementary School earns 52/100 on the Resource Investment Index, with class sizes near the Michigan median. 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 South Lyon Community Schools?
Besides William a Brummer Elementary School, South Lyon Community Schools also operates South Lyon High School (1,245 students), South Lyon East High School (1,174 students), and Millennium Middle School (1,049 students). See the South Lyon Community Schools 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.