- Enrollment
- 2,118
- Students per teacher
- 23.5:1
- Resource Index
- 32/100
High school (grades 9-12) · Great Mills, MD
Great Mills High
Federal NCES profile for Great Mills High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 32/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 240060001224
👥 S:T ratio 26
🌟 Gifted program 70
🎓 Counselors 32
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Great Mills High earns 32/100 on the Resource Investment Index, with class sizes larger than 93% of Maryland schools. It is also one of the largest schools in Maryland.
- #3 of 3
- public schools in Great Mills · Resource Index
- 32
- Resource Index · Typical
- 18.6:1
- large classes for Maryland
- 50.9%
- free-lunch eligible
Great Mills High has class sizes larger than 93% of Maryland schools. Computed live against every Maryland school reporting to NCES.
By Resource Investment Index, Great Mills High ranks #3 of 3 public schools in Great Mills, MD.
School address
District: St. Mary's County Public Schools · Maryland
NCES ID 240060001224 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-31 students YoY
Great Mills High held near 1,748 students from 2022-23 to 2023-24 (-31 headcount).
Teacher FTE lost 91.7 → 90.7 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-31 students YoY 240060001224 · Great Mills, MD High · MID · TRAD
1,697 enr · 18.6:1 · 50.9% lunch · RII 32
Nearest enrollment peer: Leonardtown High (2,118 students)
Great Mills High held near 1,748 students from 2022-23 to 2023-24 (-31 headcount). Teacher FTE lost 91.7 → 90.7 across the same CCD years. Read with this school → · District book → · Maryland schools → · Find another →
Great Mills High in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Leonardtown Hi
Leonardtown High
2,118 students
- This school
Great Mills High
1,697 students
- Chopticon High
Chopticon High
1,526 students
- Leonardtown Mi
Leonardtown Middle
969 students
- Spring Ridge M
Spring Ridge Middle
913 students
- Margaret Brent
Margaret Brent Middle
878 students
What this shows Great Mills High reports 1,697 students on the CCD universe file.
How Great Mills High compares
Great Mills 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 | 18.6:1 | ▲ 28% | 14.5:1 | 15.7:1 |
| Free-lunch eligible | 50.9% | ▲ 4% | 49.0% | 51.7% |
| Enrollment | 1,697 | top 4% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.6:1
Leaner classes than 22% of US schools, heavier class loads than most.
1,697
Bigger than 97% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
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
18.6:1
students per teacher
- 28% above state mean
Top 93% in Maryland - lower ratio than 7% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
42.0%
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
$17,088
per pupil, district-wide
- below Maryland avg of $18,753
Close to the U.S. public-school average per-pupil spend.
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.
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.
Student-body diversity index 70.8/100
Simpson diversity index - at 70.8, Great Mills High is more mixed than the Maryland school average of 52.3.
Programs
AP courses offered 29
Gifted & talented Yes
District finance for St. Mary's County Public Schools reports $17,088 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Great Mills High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Leonardtown High | Similar size | Lower economic need | Higher S:T ratio |
| Chopticon High | Similar size | Lower economic need | Similar S:T ratio |
| Leonardtown Middle | Smaller | Lower economic need | Similar S:T ratio |
| Spring Ridge Middle | Smaller | Similar economic need | Lower S:T ratio |
| Margaret Brent Middle | Smaller | Lower economic need | Lower S:T ratio |
Comparisons are relative to Great Mills High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,526
- Students per teacher
- 19.1:1
- Resource Index
- 35/100
- Enrollment
- 969
- Students per teacher
- 17.6:1
- Resource Index
- 43/100
- Enrollment
- 913
- Students per teacher
- 15:1
- Resource Index
- 37/100
- Enrollment
- 878
- Students per teacher
- 16.6:1
- Resource Index
- 42/100
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 (~1,697 students)
Similar student-teacher ratio (~18.6:1)
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. CCD year-over-year: 1,779 (2022-23) → 1,748 (2023-24), nearly flat (-31).
What is the student-teacher ratio at Great Mills High?
The student-teacher ratio at Great Mills High is 18.6:1, which is 28% higher than the Maryland average of 14.5:1 and 18% higher than the national average of 15.7:1.
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% of enrollment, in Great Mills, MD. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 70.8/100.
What is the Resource Investment Index for Great Mills High?
Great Mills High has a Resource Investment Index of 32/100 (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 Great Mills High rank among public schools in Great Mills?
By Resource Investment Index, Great Mills High ranks #3 of 3 public schools in Great Mills, MD. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking.
What other schools are in St. Mary's County Public Schools?
Besides Great Mills High, St. Mary's County Public Schools also operates Leonardtown High (2,118 students), Chopticon High (1,526 students), and Leonardtown Middle (969 students). See the St. Mary's County Public Schools district page for the complete list.