Enrollment
536
South Carolina · 2024-25 NCES data
High school (grades 9-12) · Chapin, SC
Odyssey Online Learning
Federal NCES profile for Odyssey Online Learning, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 29/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 450390901527Charter school
👥 S:T ratio 0
📚 AP courses 10
🌟 Gifted program 30
🎓 Counselors 46
📋 Attendance 57
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Odyssey Online Learning earns 29/100 on the Resource Investment Index, with class sizes larger than 99% of South Carolina schools.
- #3 of 3
- high schools in Chapin · Resource Index
- 29
- Resource Index · Lower
- 67:1
- large classes for South Carolina
- 65.6%
- free-lunch eligible
Odyssey Online Learning has class sizes larger than 99% of South Carolina schools. Computed live against every South Carolina school reporting to NCES.
By Resource Investment Index, Odyssey Online Learning ranks #3 of 3 high schools in Chapin, SC.
School address
District: Charter Institute at Erskine · South Carolina
NCES ID 450390901527 Verify on NCES CCD record →
Teachers (FTE)
8.0
Federal CCD staff survey
Students per teacher
67:1
vs 14.3:1 South Carolina avg
+369% vs state
Free-lunch eligible
65.6%
vs 74.0% South Carolina avg
-11% vs state
Student-teacher ratio in context
How Odyssey Online Learning compares with South Carolina and U.S. medians
What stands out at Odyssey Online Learning
Odyssey Online Learning is a higher-need, mid-sized charter high school in Chapin, South Carolina, enrolling 536 students.
Class loads run heavy: 67:1 is larger than about 99% of South Carolina schools and 369% above the 14.3:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 65.6% of students eligible for free meals.
With 536 students, its enrollment sits close to the South Carolina median campus size.
Its Resource Investment Index trails 91% of the 1,214 South Carolina schools with a score on record, one of the lower results on this measure.
Among 144 similarly sized, similarly resourced-need South Carolina schools statewide, it ranks #135, in the lower tier once campus size and economic need are matched.
Its student body is led by White (66%) and African American (17%) (diversity index 52/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor coverage runs a bit thin, about 268 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
17.0% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Charter Institute at Erskine spends $6,927 per pupil, 52% below the South Carolina average, a leaner-resourced district than most.
Among Chapin's high schools, it stands alongside Chapin High (1,617 students): Odyssey Online Learning is smaller than that campus by headcount and runs heavier classes (67:1 vs 15.5:1).
Charter Institute at Erskine also operates Sc Connections Academy (6,152 students) and Cyber Academy of South Carolina (3,280 students) alongside Odyssey Online Learning.
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 Odyssey Online Learning compares
Odyssey Online Learning on the metrics families compare, against South Carolina and U.S. means.
| Metric | This school | vs South Carolina | South Carolina avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 67:1 | ▲ 369% | 14.3:1 | 15.7:1 |
| Free-lunch eligible | 65.6% | ▼ 11% | 74.0% | 51.7% |
| Enrollment | 536 | top 51% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
67:1
Leaner classes than 0% of US schools, heavier class loads than most.
536
Bigger than 66% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
65.6%
free-lunch eligible
- 11% below the South Carolina average of 74.0%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
67:1
students per teacher
- 369% above state mean
Top 99% in South Carolina - lower ratio than 1% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
17.0%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$6,927
per pupil, district-wide
- below South Carolina avg of $14,558
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors2.0 FTE
Per 268 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
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 65.7%
African American 16.8%
Hispanic or Latino 10.3%
Two or More 7.1%
American Indian / Alaska Native 0.2%
Largest group: White at 65.7% of enrollment.
Student-body diversity index 52.4/100
Simpson diversity index - at 52.4, Odyssey Online Learning is about as mixed as the South Carolina school average of 52.7.
Programs
AP program Not offered
Funding & spending
District-wide per-pupil expenditure for Charter Institute at Erskine, which includes Odyssey Online Learning.
$6,927
Per student
-52%
vs South Carolina
Avg $14,558
-58%
vs U.S.
Avg $16,593
Revenue mix
Local 2.7%
State 85.8%
Federal 11.5%
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 Odyssey Online Learning Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Sc Connections Academy | Larger | Lower economic need | Lower S:T ratio |
| Cyber Academy of South Carolina | Larger | Similar economic need | Lower S:T ratio |
| South Carolina Virtual Charter School | Larger | Lower economic need | Lower S:T ratio |
| Gray Collegiate Academy | Larger | Lower economic need | Lower S:T ratio |
| Mevers School of Excellence | Larger | Lower economic need | Lower S:T ratio |
Comparisons are relative to Odyssey Online Learning's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 6,152
- Students per teacher
- 27.8:1
- Resource Index
- 45/100
- Enrollment
- 3,280
- Students per teacher
- 19.3:1
- Resource Index
- 43/100
- Enrollment
- 2,180
- Students per teacher
- 15.8:1
- Resource Index
- 55/100
- Enrollment
- 935
- Students per teacher
- 24:1
- Resource Index
- 55/100
- Enrollment
- 772
- Students per teacher
- 13.1:1
- Resource Index
- 42/100
Similar high schools in Chapin
2 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 South Carolina, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~536 students)
Next steps
Verify locally before acting on Odyssey Online Learning's federal record.
- Compare Odyssey Online Learning against another school. Compare schools
- Charter Institute at Erskine'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 Odyssey Online Learning
How many students attend Odyssey Online Learning?
Odyssey Online Learning has 536 students enrolled. It is a high school in Chapin, SC.
What is the student-teacher ratio at Odyssey Online Learning?
The student-teacher ratio at Odyssey Online Learning is 67:1, which is 369% higher than the South Carolina average of 14.3:1 and 327% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Odyssey Online Learning?
65.6% of students at Odyssey Online Learning are eligible for free lunch, compared to the South Carolina average of 74.0%.
What is the racial and ethnic makeup of Odyssey Online Learning?
The largest demographic group at Odyssey Online Learning is White at 65.7% of enrollment, in Chapin, SC. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 52.4/100.
What is the Resource Investment Index for Odyssey Online Learning?
Odyssey Online Learning has a Resource Investment Index of 29/100 (lower reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Odyssey Online Learning rank among high schools in Chapin?
By Resource Investment Index, Odyssey Online Learning ranks #3 of 3 high schools in Chapin, SC. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Chapin on the city page.
Is Odyssey Online Learning a good school?
Odyssey Online Learning earns 29/100 on the Resource Investment Index, with class sizes larger than 99% of South Carolina schools. 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 Charter Institute at Erskine?
Besides Odyssey Online Learning, Charter Institute at Erskine also operates Sc Connections Academy (6,152 students), Cyber Academy of South Carolina (3,280 students), and South Carolina Virtual Charter School (2,180 students). See the Charter Institute at Erskine 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.