Enrollment
316
Michigan · 2024-25 NCES data
High school (grades 9-12) · Erie, MI
Mason Senior High School
Federal NCES profile for Mason Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 14/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 262310006001
👥 S:T ratio 30
📚 AP courses 10
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mason Senior High School earns 14/100 on the Resource Investment Index, with class sizes near the Michigan median.
- #3 of 3
- public schools in Erie · Resource Index
- 14
- Resource Index · Lower
- 17.6:1
- students per teacher
- 35.4%
- free-lunch eligible
Mason Senior High School has class sizes near the Michigan median. Computed live against every Michigan school reporting to NCES.
By Resource Investment Index, Mason Senior High School ranks #3 of 3 public schools in Erie, MI.
School address
District: Mason Consolidated Schools (Monroe) · Michigan
NCES ID 262310006001 Verify on NCES CCD record →
Teachers (FTE)
18.0
Federal CCD staff survey
Students per teacher
17.6:1
vs 17.5:1 Michigan avg
+1% vs state
Free-lunch eligible
35.4%
vs 54.3% Michigan avg
-35% vs state
Student-teacher ratio in context
How Mason Senior High School compares with Michigan and U.S. medians
What stands out at Mason Senior High School
Mason Senior High School is a mid-sized high school in Erie, Michigan, enrolling 316 students.
At 17.6:1, its student-teacher ratio sits close to the Michigan median, within a few percentage points of the 17.5:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat below the state's typical profile, with 35.4% of students eligible for free meals.
With 316 students, its enrollment sits close to the Michigan median campus size.
Its Resource Investment Index trails 95% of the 3,375 Michigan schools with a score on record, one of the lower results on this measure.
Among 513 similarly sized, similarly resourced-need Michigan schools statewide, it ranks #504, in the lower tier once campus size and economic need are matched.
Its student body is predominantly White (81% of enrollment) (diversity index 32/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor access is stretched at roughly 632 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 48.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Mason Consolidated Schools (Monroe) also operates Mason Central School (421 students) and Mason Middle School (223 students) alongside Mason Senior High 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 Mason Senior High School compares
Mason Senior High 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 | 17.6:1 | ▲ 1% | 17.5:1 | 15.7:1 |
| Free-lunch eligible | 35.4% | ▼ 35% | 54.3% | 51.7% |
| Enrollment | 316 | top 57% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.6:1
Leaner classes than 27% of US schools, heavier class loads than most.
316
Bigger than 35% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
35.4%
free-lunch eligible
- 35% below the Michigan average of 54.3%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
17.6:1
students per teacher
- 1% above state mean
Top 59% in Michigan - lower ratio than 41% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
48.4%
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
$11,806
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
Counselors0.5 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
5
in-school suspensions + 39 out-of-school
Suspension rate: 1.6 per 100 students. Combined in-school and out-of-school rate: 13.9 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
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 81.3%
Hispanic or Latino 11.7%
Two or More 2.5%
African American 2.2%
Asian 0.9%
American Indian / Alaska Native 0.9%
Native Hawaiian / Pacific Islander 0.3%
Largest group: White at 81.3% of enrollment.
Student-body diversity index 32.4/100
Simpson diversity index - at 32.4, Mason Senior High School is less mixed than the Michigan school average of 36.2.
Programs
AP program Not offered
Funding & spending
District-wide per-pupil expenditure for Mason Consolidated Schools (Monroe), which includes Mason Senior High School.
$11,806
Per student
-13%
vs Michigan
Avg $13,507
-29%
vs U.S.
Avg $16,593
Revenue mix
Local 18.2%
State 72.3%
Federal 9.5%
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 Mason Senior High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mason Central School | Larger | Higher economic need | Similar S:T ratio |
| Mason Middle School | Smaller | Higher economic need | Lower S:T ratio |
| Mason Virtual Academy | Smaller | Higher economic need | No ratio data |
Comparisons are relative to Mason Senior High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 421
- Students per teacher
- 16.2:1
- Resource Index
- 25/100
- Enrollment
- 223
- Students per teacher
- 15.9:1
- Resource Index
- 22/100
- Enrollment
- 20
- Students per teacher
- -
- Resource Index
- 15/100
Similar high 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 (~316 students)
Next steps
Verify locally before acting on Mason Senior High School's federal record.
- Compare Mason Senior High School against another school. Compare schools
- Mason Consolidated Schools (Monroe)'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 Mason Senior High School
How many students attend Mason Senior High School?
Mason Senior High School has 316 students enrolled. It is a high school in Erie, MI.
What is the student-teacher ratio at Mason Senior High School?
The student-teacher ratio at Mason Senior High School is 17.6:1, which is 1% higher than the Michigan average of 17.5:1 and 12% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Mason Senior High School?
35.4% of students at Mason Senior High School are eligible for free lunch, compared to the Michigan average of 54.3%.
What is the racial and ethnic makeup of Mason Senior High School?
The largest demographic group at Mason Senior High School is White at 81.3% of enrollment, in Erie, MI.
What is the Resource Investment Index for Mason Senior High School?
Mason Senior High School has a Resource Investment Index of 14/100 (lower reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Mason Senior High School rank among public schools in Erie?
By Resource Investment Index, Mason Senior High School ranks #3 of 3 public schools in Erie, MI. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Erie on the city page.
Is Mason Senior High School a good school?
Mason Senior High School earns 14/100 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 Mason Consolidated Schools (Monroe)?
Besides Mason Senior High School, Mason Consolidated Schools (Monroe) also operates Mason Central School (421 students), Mason Middle School (223 students), and Mason Virtual Academy (20 students). See the Mason Consolidated Schools (Monroe) 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.