Enrollment
1,617
Maryland · 2024-25 NCES data
High school (grades 9-12) · Waldorf, MD
St. Charles High School
Federal NCES profile for St. Charles High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 240027001727
👥 S:T ratio 27
📚 AP courses 95
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 11
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
St. Charles High School earns 41/100 on the Resource Investment Index, with class sizes larger than 91% of Maryland schools. It is also one of the largest schools in Maryland.
- #3 of 4
- high schools in Waldorf · Resource Index
- 41
- Resource Index · Typical
- 18.2:1
- large classes for Maryland
- 40.9%
- free-lunch eligible
St. Charles High School has class sizes larger than 91% of Maryland schools. Computed live against every Maryland school reporting to NCES.
By Resource Investment Index, St. Charles High School ranks #3 of 4 high schools in Waldorf, MD.
School address
District: Charles County Public Schools · Maryland
NCES ID 240027001727 Verify on NCES CCD record →
Teachers (FTE)
89.0
Federal CCD staff survey
Students per teacher
18.2:1
vs 14.5:1 Maryland avg
+26% vs state
Free-lunch eligible
40.9%
vs 49.0% Maryland avg
-17% vs state
Student-teacher ratio in context
How St. Charles High School compares with Maryland and U.S. medians
What stands out at St. Charles High School
St. Charles High School is a large high school in Waldorf, Maryland, enrolling 1,617 students.
Class loads run heavy: 18.2:1 is larger than about 91% of Maryland schools and 26% above the 14.5:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 40.9% of students eligible for free meals.
By headcount it is one of the larger campuses in Maryland, bigger than 95% of state schools at 1,617 students.
Its Resource Investment Index trails 97% of the 1,382 Maryland schools with a score on record, one of the lower results on this measure.
Among 76 similarly sized, similarly resourced-need Maryland schools statewide, it ranks #72, in the lower tier once campus size and economic need are matched.
Its student body is led by African American (72%) and Hispanic or Latino (14%) (diversity index 46/100).
On the academic-pipeline side it reports 19 Advanced Placement courses.
Counselor access is stretched at roughly 539 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 35.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 2 expulsions at this campus for 2021-22.
Among Waldorf's high schools, it stands alongside North Point High School (1,960 students): St. Charles High School is smaller than that campus by headcount and runs heavier classes (18.2:1 vs 15.9:1).
Charles County Public Schools also operates North Point High School (1,960 students) and Thomas Stone High School (1,230 students) alongside St. Charles 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 St. Charles High School compares
St. Charles High School on the metrics families compare, against Maryland and U.S. means.
| Metric | This school | vs Maryland | Maryland avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.2:1 | ▲ 26% | 14.5:1 | 15.7:1 |
| Free-lunch eligible | 40.9% | ▼ 17% | 49.0% | 51.7% |
| Enrollment | 1,617 | top 5% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.2:1
Leaner classes than 23% of US schools, heavier class loads than most.
1,617
Bigger than 97% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
40.9%
free-lunch eligible
- 17% 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
18.2:1
students per teacher
- 26% above state mean
Top 91% in Maryland - lower ratio than 9% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
35.7%
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
$16,671
per pupil, district-wide
- below Maryland avg of $20,446
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors3.0 FTE
Per 539 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 100 out-of-school
Suspension rate: 0.1 per 100 students. Combined in-school and out-of-school rate: 6.2 per 100 students. Reported via the Civil Rights Data Collection. Includes 2 expulsions.
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
African American 71.7%
Hispanic or Latino 13.7%
Two or More 6.9%
White 5.9%
Asian 1.6%
American Indian / Alaska Native 0.2%
Largest group: African American at 71.7% of enrollment.
Student-body diversity index 45.9/100
Simpson diversity index - at 45.9, St. Charles High School is less mixed than the Maryland school average of 52.3.
Programs
AP courses offered 19
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Charles County Public Schools, which includes St. Charles High School.
$16,671
Per student
-18%
vs Maryland
Avg $20,446
+0%
vs U.S.
Avg $16,593
Revenue mix
Local 45.0%
State 44.3%
Federal 10.7%
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 St. Charles High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| North Point High School | Similar size | Lower economic need | Lower S:T ratio |
| Thomas Stone High School | Similar size | Higher economic need | Lower S:T ratio |
| La Plata High School | Similar size | Lower economic need | Similar S:T ratio |
| Westlake High School | Similar size | Similar economic need | Similar S:T ratio |
| Maurice J. Mcdonough High School | Smaller | Lower economic need | Similar S:T ratio |
Comparisons are relative to St. Charles High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,960
- Students per teacher
- 15.9:1
- Resource Index
- 47/100
- Enrollment
- 1,230
- Students per teacher
- 16:1
- Resource Index
- 39/100
- Enrollment
- 1,217
- Students per teacher
- 17.6:1
- Resource Index
- 38/100
- Enrollment
- 1,216
- Students per teacher
- 18.4:1
- Resource Index
- 25/100
- Enrollment
- 1,163
- Students per teacher
- 18.2:1
- Resource Index
- 36/100
Similar high schools in Waldorf
3 comparable high schools (grades 9-12) serving the same city.
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Maryland, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~1,617 students)
Similar student-teacher ratio (~18.2:1)
Next steps
Verify locally before acting on St. Charles High School's federal record.
- Compare St. Charles High School against another school. Compare schools
- Charles County Public Schools'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 St. Charles High School
How many students attend St. Charles High School?
St. Charles High School has 1,617 students enrolled. It is a high school in Waldorf, MD.
What is the student-teacher ratio at St. Charles High School?
The student-teacher ratio at St. Charles High School is 18.2:1, which is 26% higher than the Maryland average of 14.5:1 and 16% higher than the national average of 15.7:1.
What percentage of students receive free lunch at St. Charles High School?
40.9% of students at St. Charles High School are eligible for free lunch, compared to the Maryland average of 49.0%.
What is the racial and ethnic makeup of St. Charles High School?
The largest demographic group at St. Charles High School is African American at 71.7% of enrollment, in Waldorf, MD.
What is the Resource Investment Index for St. Charles High School?
St. Charles High School has a Resource Investment Index of 41/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does St. Charles High School rank among high schools in Waldorf?
By Resource Investment Index, St. Charles High School ranks #3 of 4 high schools in Waldorf, MD. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Waldorf on the city page.
Is St. Charles High School a good school?
St. Charles High School earns 41/100 on the Resource Investment Index, with class sizes larger than 91% of Maryland schools. It is also one of the largest schools in Maryland. 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 Charles County Public Schools?
Besides St. Charles High School, Charles County Public Schools also operates North Point High School (1,960 students), Thomas Stone High School (1,230 students), and La Plata High School (1,217 students). See the Charles County Public Schools 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.