Enrollment
748
Kentucky · 2024-25 NCES data
High school (grades 9-12) · Harrodsburg, KY
Federal NCES profile for Mercer County Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 50/100.
The verdict
Mercer County Senior High School earns 50/100 on the Resource Investment Index, with class sizes near the Kentucky median.
Mercer County Senior High School has class sizes near the Kentucky median. Computed live against every Kentucky school reporting to NCES.
By Resource Investment Index, Mercer County Senior High School ranks #1 of 6 public schools in Harrodsburg, KY.
NCES ID 210411002168 Verify on NCES CCD record →
Enrollment
748
Kentucky · 2024-25 NCES data
Teachers (FTE)
46.0
Federal CCD staff survey
Students per teacher
16.3:1
vs 15.2:1 Kentucky avg
+7% vs state
Free-lunch eligible
45.8%
vs 59.2% Kentucky avg
-23% vs state
How Mercer County Senior High School compares with Kentucky and U.S. medians
Slightly above state median
16.3:1 - 1.1 above the Kentucky state median of 15.2:1, indicating larger average class loads than typical schools in the state.
Mercer County Senior High School is a large high school in Harrodsburg, Kentucky, enrolling 748 students.
Class loads run somewhat heavier than typical: 16.3:1 puts it in the larger third of Kentucky schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 45.8% of students eligible for free meals.
Enrollment of 748 puts it in the larger third of Kentucky schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 1,389 scored Kentucky schools.
Against 337 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #71.
Its student body is predominantly White (83% of enrollment) (diversity index 31/100).
On the academic-pipeline side it reports 12 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 374 students sharing each counselor, though short of the most stretched campuses.
16.8% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Its district draws 15.8% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
The federal civil-rights collection also records 2 expulsions at this campus for 2021-22.
Among Harrodsburg's high schools, it stands alongside Mercer Central (51 students): Mercer County Senior High School is larger than that campus by headcount and runs leaner classes (16.3:1 vs 25.5:1).
Mercer County also operates Mercer County Elementary School (713 students) and Kenneth D. King Middle School (581 students) alongside Mercer County Senior 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
Mercer County Senior High School on the metrics families compare, against Kentucky and U.S. means.
| Metric | This school | vs Kentucky | Kentucky avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.3:1 | ▲ 7% | 15.2:1 | 15.7:1 |
| Free-lunch eligible | 45.8% | ▼ 23% | 59.2% | 51.7% |
| Enrollment | 748 | top 14% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 82.5% of enrollment.
Simpson diversity index - at 31.0, Mercer County Senior High School is less mixed than the Kentucky school average of 34.5.
District-wide per-pupil expenditure for Mercer County, which includes Mercer County Senior High School.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mercer County Elementary School | Similar size | Higher economic need | Similar S:T ratio |
| Kenneth D. King Middle School | Similar size | Higher economic need | Similar S:T ratio |
| Mercer County Intermediate School | Similar size | Higher economic need | Similar S:T ratio |
| Mercer Central | Smaller | Higher economic need | Higher S:T ratio |
| Mercer County Day Treatment | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Mercer County Senior High School's own figures; each column derives from NCES Common Core of Data.
1 comparable high schools (grades 9-12) serving the same city.
Matched by enrollment size and by staffing ratio across all of Kentucky, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Mercer County Senior High School's federal record.
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.
Mercer County Senior High School has 748 students enrolled. It is a high school in Harrodsburg, KY.
The student-teacher ratio at Mercer County Senior High School is 16.3:1, which is 7% higher than the Kentucky average of 15.2:1 and 4% higher than the national average of 15.7:1.
45.8% of students at Mercer County Senior High School are eligible for free lunch, compared to the Kentucky average of 59.2%.
The largest demographic group at Mercer County Senior High School is White at 82.5% of enrollment, in Harrodsburg, KY.
Mercer County Senior High School has a Resource Investment Index of 50/100 (higher 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).
By Resource Investment Index, Mercer County Senior High School ranks #1 of 6 public schools in Harrodsburg, KY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Harrodsburg on the city page.
Mercer County Senior High School earns 50/100 on the Resource Investment Index, with class sizes near the Kentucky 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.
Besides Mercer County Senior High School, Mercer County also operates Mercer County Elementary School (713 students), Kenneth D. King Middle School (581 students), and Mercer County Intermediate School (570 students). See the Mercer County district page for the complete list.
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.
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PlainSchools, “Mercer County Senior High School, Harrodsburg KY.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/mercer-county-senior-high-school-ky
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