Enrollment
1,173
Maryland · 2024-25 NCES data
2024-25 NCES data Middle school (grades 6-8) NCES 240006000108
Old Mill Middle South — Millersville, MD
Federal NCES profile for Old Mill Middle South, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 48/100.
👥 Class size 46
🌟 Gifted program 70
🎓 Counselors 22
📋 Attendance 55
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
School address
District: Anne Arundel County Public Schools · Maryland
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
73.0
Federal CCD staff survey
Students per teacher
13.4:1
vs 14.4:1 Maryland avg
-7% vs state
Free-lunch eligible
38.2%
vs 49.0% Maryland avg
-22% vs state
Student-teacher ratio in context
How Old Mill Middle South compares with Maryland and U.S. medians
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
Old Mill Middle South reports 1,173 enrolled students to the National Center for Education Statistics (NCES) alongside 73.0 full-time-equivalent teachers, producing a 13.4:1 student-teacher ratio. That figure sits 7% below the Maryland state mean of 14.4:1, signalling more teacher attention per pupil than the state benchmark. Against the national 2024-25 average of 15.9:1, it is 16% lower, a useful calibration for families comparing districts across state lines.
Title I and federal lunch eligibility offer another window into the student body: 38.2% of pupils qualify for free meals, a proxy for household income that federal programs use to direct funding. The free-lunch share is 22% below the Maryland average and 26% below the national baseline. Counselor coverage works out to roughly 391 students per counselor, above the ASCA-recommended ceiling of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 17.8% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Anne Arundel County Public Schools spends $19,959 per pupil district-wide, below the Maryland average of $22,498 and above the national average of $19,490. Revenue comes 56.4% from local sources (property taxes), 32.3% from the state, and 11.4% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 48/100 (D), calculated from 4 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Old Mill Middle South compares
Cross-validating school-level NCES values against Maryland state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | vs Maryland | Maryland avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.4:1 | ▼ 7% | 14.4:1 | 15.9:1 |
| Free-lunch eligible | 38.2% | ▼ 22% | 49.0% | 51.8% |
| Enrollment | 1,173 | top 90% | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
Economic need
38.2%
free-lunch eligible
— 22% below the Maryland average of 49.0%
Below the 40% Title I threshold — federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
13.4:1
students per teacher
— 7% below state mean
Top 30% in Maryland — lower ratio than 70% of state schools
Below the 15:1 benchmark — typical of schools with smaller class sizes and more individualized attention.
Engagement
17.8%
chronically absent (missed 10%+ of school days)
Between 10–20% — above the pre-pandemic baseline of ~15% nationally but within the current U.S. range.
Funding equity
$19,959
per pupil, district-wide
— below Maryland avg of $22,498
Above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors3.0 FTE
Per 391 students — the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 130 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 11.1 per 100 students. Reported via the Civil Rights Data Collection.
Overview
Enrollment 1,173 Top 90% in Maryland — larger than 10% of 1,383 state schools
Teachers (FTE) 73.0
Students per teacher 13.4:1 -7% vs state
Free-lunch eligible 38.2% -22% vs state
NCES ID 240006000108
Student demographics
African American 38.8%
White 28.0%
Hispanic or Latino 20.5%
Two or More 7.5%
Asian 4.7%
Native Hawaiian / Pacific Islander 0.3%
American Indian / Alaska Native 0.2%
Largest group: African American at 38.8% of enrollment.
Programs & staff
Gifted & talented Yes
Counselors (FTE) 3.0
Students per counselor 391:1
Discipline & special education
Chronically absent 17.8%
In-school suspensions 0
Out-of-school suspensions 130
Funding & spending
District-wide per-pupil expenditure for Anne Arundel County Public Schools, which includes Old Mill Middle South.
$19,959
Per student
-11%
vs Maryland
Avg $22,498
+2%
vs U.S.
Avg $19,490
Revenue mix
Local 56.4%
State 32.3%
Federal 11.4%
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.
Other Schools in This District
- Enrollment
- 2,226
- Students per teacher
- 17.5:1
- Enrollment
- 2,161
- Students per teacher
- 17:1
- Enrollment
- 2,143
- Students per teacher
- 17.8:1
- Enrollment
- 2,075
- Students per teacher
- 14.4:1
- Enrollment
- 2,045
- Students per teacher
- 17.3:1
Similar middle schools in Millersville
1 comparable middle schools (grades 6-8) serving the same city.
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
Frequently asked questions about Old Mill Middle South
How many students attend Old Mill Middle South?
Old Mill Middle South has 1,173 students enrolled. It is a middle school in Millersville, MD.
What is the student-teacher ratio at Old Mill Middle South?
The student-teacher ratio at Old Mill Middle South is 13.4:1, which is 7% lower than the Maryland average of 14.4:1 and 16% lower than the national average of 15.9:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Old Mill Middle South?
38.2% of students at Old Mill Middle South are eligible for free lunch, compared to the Maryland average of 49.0%.
What is the racial and ethnic makeup of Old Mill Middle South?
The largest demographic group at Old Mill Middle South is African American at 38.8%. The school serves a diverse student body in Millersville, MD.
What is the Resource Investment Index for Old Mill Middle South?
Old Mill Middle South has a Resource Investment Index of 48/100 (D) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.