Enrollment
780
North Carolina · 2024-25 NCES data
Other / mixed grade configuration · Graham, NC
River Mill Academy
Federal NCES profile for River Mill Academy, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 32/100.
2024-25 NCES dataOther / mixed grade configurationNCES 370005002366Charter school
👥 S:T ratio 34
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 64
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
River Mill Academy earns 32/100 on the Resource Investment Index, with class sizes near the North Carolina median.
- #5 of 5
- schools in Graham · Resource Index
- 32
- Resource Index · Typical
- 16.6:1
- students per teacher
- 780
- students enrolled
River Mill Academy has class sizes near the North Carolina median. Computed live against every North Carolina school reporting to NCES.
By Resource Investment Index, River Mill Academy ranks #5 of 5 schools in Graham, NC.
School address
District: River Mill Academy · North Carolina
NCES ID 370005002366 Verify on NCES CCD record →
Teachers (FTE)
47.0
Federal CCD staff survey
Students per teacher
16.6:1
vs 15.8:1 North Carolina avg
+5% vs state
Student-teacher ratio in context
How River Mill Academy compares with North Carolina and U.S. medians
What stands out at River Mill Academy
River Mill Academy is a mid-sized charter combined-grade school in Graham, North Carolina, enrolling 780 students.
Class loads run somewhat heavier than typical: 16.6:1 puts it in the larger third of North Carolina schools by student-teacher ratio.
Enrollment of 780 puts it in the larger third of North Carolina schools by headcount.
Its Resource Investment Index lands in the lower third of 2,698 scored North Carolina schools.
Its student body is led by White (63%) and Hispanic or Latino (16%) (diversity index 56/100).
Counselor access is stretched at roughly 780 students per counselor, well above the ASCA-recommended 250:1 ceiling.
14.5% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding River Mill Academy spends $8,715 per pupil, 27% below the North Carolina average, a leaner-resourced district than most.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Among Graham's public schools, it stands alongside Alexander Wilson Elementary (609 students): River Mill Academy is larger than that campus by headcount and runs heavier classes (16.6:1 vs 15.2:1).
River Mill Academy is a single-school charter district, so River Mill Academy operates independently rather than alongside district-mates.
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 River Mill Academy compares
River Mill Academy on the metrics families compare, against North Carolina and U.S. means.
| Metric | This school | vs North Carolina | North Carolina avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.6:1 | ▲ 5% | 15.8:1 | 15.7:1 |
| Enrollment | 780 | top 19% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.6:1
Leaner classes than 33% of US schools, heavier class loads than most.
780
Bigger than 85% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
16.6:1
students per teacher
- 5% above state mean
Top 69% in North Carolina - lower ratio than 31% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
14.5%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$8,715
per pupil, district-wide
- below North Carolina avg of $12,017
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 780 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 56 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 7.2 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
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
White 62.7%
Hispanic or Latino 15.6%
African American 14.5%
Two or More 5.6%
Asian 1.4%
American Indian / Alaska Native 0.1%
Largest group: White at 62.7% of enrollment.
Student-body diversity index 55.8/100
Simpson diversity index - at 55.8, River Mill Academy is about as mixed as the North Carolina school average of 56.1.
Programs
AP courses offered 6
Funding & spending
District-wide per-pupil expenditure for River Mill Academy, which includes River Mill Academy.
$8,715
Per student
-27%
vs North Carolina
Avg $12,017
-47%
vs U.S.
Avg $16,593
Revenue mix
Local 24.4%
State 68.9%
Federal 6.7%
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.
Similar other schools in Graham
4 comparable other schools (grades Mixed) serving the same city.
Alexander Wilson Elementary
Standard public school
609 students 15.2:1 students per teacher
South Graham Elementary
Standard public school
518 students 14.4:1 students per teacher
North Graham Elementary
Standard public school
362 students 12.1:1 students per teacher
Ray Street Academy
Alternative education program
36 students 2.1:1 students per teacher
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of North Carolina, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~780 students)
Similar student-teacher ratio (~16.6:1)
Next steps
Verify locally before acting on River Mill Academy's federal record.
- Compare River Mill Academy against another school. Compare schools
- River Mill Academy'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 River Mill Academy
How many students attend River Mill Academy?
River Mill Academy has 780 students enrolled. It is a public school in Graham, NC.
What is the student-teacher ratio at River Mill Academy?
The student-teacher ratio at River Mill Academy is 16.6:1, which is 5% higher than the North Carolina average of 15.8:1 and 6% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of River Mill Academy?
The largest demographic group at River Mill Academy is White at 62.7% of enrollment, in Graham, NC. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 55.8/100.
What is the Resource Investment Index for River Mill Academy?
River Mill Academy has a Resource Investment Index of 32/100 (typical reported resources relative to schools nationally) based on 4 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 River Mill Academy rank among schools in Graham?
By Resource Investment Index, River Mill Academy ranks #5 of 5 schools in Graham, NC. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Graham on the city page.
Is River Mill Academy a good school?
River Mill Academy earns 32/100 on the Resource Investment Index, with class sizes near the North Carolina median. 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 River Mill Academy?
None; River Mill Academy is a single-school charter district, and River Mill Academy is its only campus.
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.