Enrollment
88
Florida · 2024-25 NCES data
High school (grades 9-12) · Key West, FL
Somerset Island Prep
Federal NCES profile for Somerset Island Prep, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 22/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 120132007960Charter school
👥 S:T ratio 0
📚 AP courses 10
🌟 Gifted program 70
📋 Attendance 6
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Somerset Island Prep earns 22/100 on the Resource Investment Index, with class sizes larger than 98% of Florida schools.
- #11 of 11
- public schools in Key West · Resource Index
- 22
- Resource Index · Lower
- 44:1
- large classes for Florida
- 28.0%
- free-lunch eligible
Somerset Island Prep has class sizes larger than 98% of Florida schools. Computed live against every Florida school reporting to NCES.
By Resource Investment Index, Somerset Island Prep ranks #11 of 11 public schools in Key West, FL.
School address
Teachers (FTE)
2.0
Federal CCD staff survey
Students per teacher
44:1
vs 17.8:1 Florida avg
+147% vs state
Free-lunch eligible
28.0%
vs 52.0% Florida avg
-46% vs state
Student-teacher ratio in context
How Somerset Island Prep compares with Florida and U.S. medians
What stands out at Somerset Island Prep
Somerset Island Prep is a small charter high school in Key West, Florida, enrolling 88 students.
Class loads run heavy: 44:1 is larger than about 98% of Florida schools and 147% above the 17.8:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 28.0% of students eligible for free meals.
Enrollment of 88 puts it in the smaller third of Florida schools by headcount.
Its Resource Investment Index trails 91% of the 3,996 Florida schools with a score on record, one of the lower results on this measure.
Among 41 similarly sized, similarly resourced-need Florida schools statewide, it ranks #37, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (52%) and White (41%) (diversity index 56/100).
No Advanced Placement courses are reported for this campus in the federal data.
Chronic absenteeism is elevated: 37.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Monroe spends $15,790 per pupil, 41% above the Florida average, a better-resourced district than most.
Monroe also operates Key West High School (1,337 students) and Horace O'bryant School (1,011 students) alongside Somerset Island Prep.
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 Somerset Island Prep compares
Somerset Island Prep on the metrics families compare, against Florida and U.S. means.
| Metric | This school | vs Florida | Florida avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 44:1 | ▲ 147% | 17.8:1 | 15.7:1 |
| Free-lunch eligible | 28.0% | ▼ 46% | 52.0% | 51.7% |
| Enrollment | 88 | top 90% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
44:1
Leaner classes than 0% of US schools, heavier class loads than most.
88
Bigger than 9% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
28.0%
free-lunch eligible
- 46% below the Florida average of 52.0%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
44:1
students per teacher
- 147% above state mean
Top 98% in Florida - lower ratio than 2% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
37.5%
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
$15,790
per pupil, district-wide
- above Florida avg of $11,167
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 1 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.1 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
Hispanic or Latino 52.3%
White 40.9%
African American 5.7%
Two or More 1.1%
Largest group: Hispanic or Latino at 52.3% of enrollment.
Student-body diversity index 55.6/100
Simpson diversity index - at 55.6, Somerset Island Prep is more mixed than the Florida school average of 52.3.
Programs
AP program Not offered
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Monroe, which includes Somerset Island Prep.
$15,790
Per student
+41%
vs Florida
Avg $11,167
-5%
vs U.S.
Avg $16,593
Revenue mix
Local 77.6%
State 8.9%
Federal 13.5%
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 Somerset Island Prep Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Key West High School | Larger | Similar economic need | Lower S:T ratio |
| Horace O'bryant School | Larger | Higher economic need | Lower S:T ratio |
| Marathon School | Larger | Higher economic need | Lower S:T ratio |
| Coral Shores High School | Larger | Similar economic need | Lower S:T ratio |
| Key Largo School | Larger | Higher economic need | Lower S:T ratio |
Comparisons are relative to Somerset Island Prep's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,337
- Students per teacher
- 17.8:1
- Resource Index
- 43/100
- Enrollment
- 1,011
- Students per teacher
- 13.5:1
- Resource Index
- 41/100
- Enrollment
- 809
- Students per teacher
- 18:1
- Resource Index
- 33/100
- Enrollment
- 753
- Students per teacher
- 17.5:1
- Resource Index
- 39/100
- Enrollment
- 690
- Students per teacher
- 10.1:1
- Resource Index
- 42/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Florida, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~88 students)
Next steps
Verify locally before acting on Somerset Island Prep's federal record.
- Compare Somerset Island Prep against another school. Compare schools
- Monroe'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 Somerset Island Prep
How many students attend Somerset Island Prep?
Somerset Island Prep has 88 students enrolled. It is a high school in Key West, FL.
What is the student-teacher ratio at Somerset Island Prep?
The student-teacher ratio at Somerset Island Prep is 44:1, which is 147% higher than the Florida average of 17.8:1 and 180% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Somerset Island Prep?
28.0% of students at Somerset Island Prep are eligible for free lunch, compared to the Florida average of 52.0%.
What is the racial and ethnic makeup of Somerset Island Prep?
The largest demographic group at Somerset Island Prep is Hispanic or Latino at 52.3% of enrollment, in Key West, FL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 55.6/100.
What is the Resource Investment Index for Somerset Island Prep?
Somerset Island Prep has a Resource Investment Index of 22/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Somerset Island Prep rank among public schools in Key West?
By Resource Investment Index, Somerset Island Prep ranks #11 of 11 public schools in Key West, FL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Key West on the city page.
Is Somerset Island Prep a good school?
Somerset Island Prep earns 22/100 on the Resource Investment Index, with class sizes larger than 98% of Florida 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 Monroe?
Besides Somerset Island Prep, Monroe also operates Key West High School (1,337 students), Horace O'bryant School (1,011 students), and Marathon School (809 students). See the Monroe 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.