Enrollment
1,697
Maryland · 2024-25 NCES data
2024-25 NCES data High school (grades 9-12) NCES 240060001224
Great Mills High — Great Mills, MD
Federal NCES profile for Great Mills High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 45/100.
👥 Class size 22
📚 AP courses 100
🌟 Gifted program 70
🎓 Counselors 32
📋 Attendance 0
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: St. Mary'S 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)
91.0
Federal CCD staff survey
Students per teacher
19.5:1
vs 14.4:1 Maryland avg
+35% vs state
Free-lunch eligible
50.9%
vs 49.0% Maryland avg
+4% vs state
Student-teacher ratio in context
How Great Mills High 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
Great Mills High reports 1,697 enrolled students to the National Center for Education Statistics (NCES) alongside 91.0 full-time-equivalent teachers, producing a 19.5:1 student-teacher ratio. That figure sits 35% above the Maryland state mean of 14.4:1, signalling larger average class loads than peers in the same state. Against the national 2024-25 average of 15.9:1, it is 23% higher, a useful calibration for families comparing districts across state lines.
Title I and federal lunch eligibility offer another window into the student body: 50.9% of pupils qualify for free meals, a proxy for household income that federal programs use to direct funding. The free-lunch share is 4% above the Maryland average and 2% below the national baseline. The school offers 29 Advanced Placement courses, a stronger academic pipeline indicator than enrollment alone. Counselor coverage works out to roughly 339 students per counselor, above the ASCA-recommended ceiling of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 42.0% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding St. Mary'S County Public Schools spends $17,616 per pupil district-wide, below the Maryland average of $22,498 and below the national average of $19,490. Revenue comes 45.1% from local sources (property taxes), 41.2% from the state, and 13.6% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 45/100 (D), calculated from 5 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 Great Mills High 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 | 19.5:1 | ▲ 35% | 14.4:1 | 15.9:1 |
| Free-lunch eligible | 50.9% | ▲ 4% | 49.0% | 51.8% |
| Enrollment | 1,697 | top 96% | — | — |
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
50.9%
free-lunch eligible
— 4% above the Maryland average of 49.0%
Above the 40% Title I schoolwide threshold — federal funds support the whole school, not individual students.
Staffing depth
19.5:1
students per teacher
— 35% above state mean
Top 98% in Maryland — lower ratio than 2% of state schools
Between 15:1 and 20:1 — in line with the typical U.S. public-school staffing range.
Engagement
42.0%
chronically absent (missed 10%+ of school days)
Chronic absenteeism at or above 20% — the CDC threshold for "high" — signals significant barriers to regular attendance.
Funding equity
$17,616
per pupil, district-wide
— below Maryland avg of $22,498
Below the U.S. average per-pupil spend — funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors5.0 FTE
Per 339 students — the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 223 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 13.1 per 100 students. Reported via the Civil Rights Data Collection.
Overview
Enrollment 1,697 Top 96% in Maryland — larger than 4% of 1,383 state schools
Teachers (FTE) 91.0
Students per teacher 19.5:1 +35% vs state
Free-lunch eligible 50.9% +4% vs state
NCES ID 240060001224
Student demographics
African American 37.8%
White 34.4%
Hispanic or Latino 14.0%
Two or More 10.3%
Asian 2.9%
American Indian / Alaska Native 0.5%
Native Hawaiian / Pacific Islander 0.1%
Largest group: African American at 37.8% of enrollment.
Programs & staff
AP courses offered 29
Gifted & talented Yes
Counselors (FTE) 5.0
Students per counselor 339:1
Discipline & special education
Chronically absent 42.0%
In-school suspensions 0
Out-of-school suspensions 223
Funding & spending
District-wide per-pupil expenditure for St. Mary'S County Public Schools, which includes Great Mills High.
$17,616
Per student
-22%
vs Maryland
Avg $22,498
-10%
vs U.S.
Avg $19,490
Revenue mix
Local 45.1%
State 41.2%
Federal 13.6%
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
- 2,118
- Students per teacher
- 22.7:1
- Enrollment
- 1,526
- Students per teacher
- 21:1
- Enrollment
- 969
- Students per teacher
- 17.6:1
- Enrollment
- 913
- Students per teacher
- 16.2:1
- Enrollment
- 878
- Students per teacher
- 17.6:1
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 Great Mills High
How many students attend Great Mills High?
Great Mills High has 1,697 students enrolled. It is a high school in Great Mills, MD.
What is the student-teacher ratio at Great Mills High?
The student-teacher ratio at Great Mills High is 19.5:1, which is 35% higher than the Maryland average of 14.4:1 and 23% higher than the national average of 15.9:1.
What percentage of students receive free lunch at Great Mills High?
50.9% of students at Great Mills High are eligible for free lunch, compared to the Maryland average of 49.0%.
What is the racial and ethnic makeup of Great Mills High?
The largest demographic group at Great Mills High is African American at 37.8%. The school serves a diverse student body in Great Mills, MD.
What is the Resource Investment Index for Great Mills High?
Great Mills High has a Resource Investment Index of 45/100 (D) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.