- Enrollment
- 2,226
- Students per teacher
- 16.7:1
- Resource Index
- 47/100
High school (grades 9-12) · Millersville, MD
Old Mill High
Federal NCES profile for Old Mill High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 240006000109
👥 S:T ratio 49
🌟 Gifted program 70
🎓 Counselors 48
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Old Mill High earns 42/100 on the Resource Investment Index, with class sizes smaller than 74% of Maryland schools. It is also one of the largest schools in Maryland.
- #5 of 6
- public schools in Millersville · Resource Index
- 42
- Resource Index · Typical
- 12.7:1
- small classes for Maryland
- 42.9%
- free-lunch eligible
Old Mill High has class sizes smaller than 74% of Maryland schools. Computed live against every Maryland school reporting to NCES.
By Resource Investment Index, Old Mill High ranks #5 of 6 public schools in Millersville, MD.
School address
District: Anne Arundel County Public Schools · Maryland
NCES ID 240006000109 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+44 students YoY
Old Mill High held near 2,489 students from 2022-23 to 2023-24 (+44 headcount).
Teacher FTE added 144.0 → 145.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+44 students YoY 240006000109 · Millersville, MD High · MID · TRAD
1,832 enr · 12.7:1 · 42.9% lunch · RII 42
Nearest enrollment peer: Glen Burnie High (2,226 students)
Old Mill High held near 2,489 students from 2022-23 to 2023-24 (+44 headcount). Teacher FTE added 144.0 → 145.0 across the same CCD years. Read with this school → · District book → · Maryland schools → · Find another →
Old Mill High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Glen Burnie Hi
Glen Burnie High
2,226 students
- North County H
North County High
2,161 students
- Broadneck High
Broadneck High
2,143 students
- Annapolis High
Annapolis High
2,075 students
- Meade High
Meade High
2,045 students
- This school
Old Mill High
1,832 students
What this shows Old Mill High reports 1,832 students on the CCD universe file.
How Old Mill High compares
Old Mill High held steady on CCD headcount: ratios and free-lunch share vs Maryland and U.S. means.
| Metric | This school | vs Maryland | Maryland avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.7:1 | ▼ 12% | 14.5:1 | 15.7:1 |
| Free-lunch eligible | 42.9% | ▼ 12% | 49.0% | 51.7% |
| Enrollment | 1,832 | top 3% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.7:1
Leaner classes than 69% of US schools, among the more generously staffed nationally.
1,832
Bigger than 98% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
42.9%
free-lunch eligible
- 12% below the Maryland average of 49.0%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
12.7:1
students per teacher
- 12% below state mean
Top 26% in Maryland - lower ratio than 74% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
46.4%
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
$17,624
per pupil, district-wide
- below Maryland avg of $18,753
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors7.0 FTE
Per 262 students, the combined health-and-guidance staffing load for this school.
Discipline context
8
in-school suspensions + 206 out-of-school
Suspension rate: 0.4 per 100 students. Combined in-school and out-of-school rate: 11.7 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
African American 36.3%
White 26.8%
Hispanic or Latino 25.2%
Two or More 6.5%
Asian 4.5%
American Indian / Alaska Native 0.3%
Native Hawaiian / Pacific Islander 0.3%
Largest group: African American at 36.3% of enrollment.
Student-body diversity index 72.7/100
Simpson diversity index - at 72.7, Old Mill High is more mixed than the Maryland school average of 52.3.
Programs
AP courses offered 21
Gifted & talented Yes
District finance for Anne Arundel County Public Schools reports $17,624 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Old Mill High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Glen Burnie High | Similar size | Higher economic need | Higher S:T ratio |
| North County High | Similar size | Higher economic need | Higher S:T ratio |
| Broadneck High | Similar size | Lower economic need | Higher S:T ratio |
| Annapolis High | Similar size | Higher economic need | Similar S:T ratio |
| Meade High | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to Old Mill High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,161
- Students per teacher
- 15:1
- Resource Index
- 52/100
- Enrollment
- 2,143
- Students per teacher
- 17.6:1
- Resource Index
- 44/100
- Enrollment
- 2,075
- Students per teacher
- 14:1
- Resource Index
- 39/100
- Enrollment
- 2,045
- Students per teacher
- 15.1:1
- Resource Index
- 50/100
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~1,832 students)
Similar student-teacher ratio (~12.7:1)
Frequently asked questions about Old Mill High
How many students attend Old Mill High?
Old Mill High has 1,832 students enrolled. It is a high school in Millersville, MD. CCD year-over-year: 2,445 (2022-23) → 2,489 (2023-24), nearly flat (+44).
What is the student-teacher ratio at Old Mill High?
The student-teacher ratio at Old Mill High is 12.7:1, which is 12% lower than the Maryland average of 14.5:1 and 19% lower 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 Old Mill High?
42.9% of students at Old Mill High are eligible for free lunch, compared to the Maryland average of 49.0%.
What is the racial and ethnic makeup of Old Mill High?
The largest demographic group at Old Mill High is African American at 36.3% of enrollment, in Millersville, MD. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 72.7/100.
What is the Resource Investment Index for Old Mill High?
Old Mill High has a Resource Investment Index of 42/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Old Mill High rank among public schools in Millersville?
By Resource Investment Index, Old Mill High ranks #5 of 6 public schools in Millersville, MD. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Millersville on the city page.
What other schools are in Anne Arundel County Public Schools?
Besides Old Mill High, Anne Arundel County Public Schools also operates Glen Burnie High (2,226 students), North County High (2,161 students), and Broadneck High (2,143 students). See the Anne Arundel County Public Schools district page for the complete list.