Enrollment
3
Texas · 2024-25 NCES data
High school (grades 9-12) · Mckinney, TX
Serenity High
Federal NCES profile for Serenity High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 43/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 482985008149
👥 S:T ratio 88
📚 AP courses 10
🌟 Gifted program 30
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Serenity High earns 43/100 on the Resource Investment Index, with class sizes smaller than 99% of Texas schools. It is also one of the smallest schools in Texas.
- #1 of 6
- high schools in Mckinney · Resource Index
- 43
- Resource Index · Typical
- 3:1
- small classes for Texas
- 3
- students enrolled
Serenity High has class sizes smaller than 99% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Serenity High ranks #1 of 6 high schools in Mckinney, TX.
School address
Teachers (FTE)
1.0
Federal CCD staff survey
Students per teacher
3:1
vs 14.7:1 Texas avg
-80% vs state
Student-teacher ratio in context
How Serenity High compares with Texas and U.S. medians
What stands out at Serenity High
Serenity High is a small high school in Mckinney, Texas, enrolling 3 students.
Classes run notably small here: at 3:1, Serenity High is leaner than roughly 99% of Texas schools and 80% under the state's 14.7:1 norm, more adult attention per pupil than most peers.
This is a small campus: fewer students than 98% of Texas schools, with 3 enrolled.
Its Resource Investment Index outscores 90% of the 8,960 Texas schools with a score on record, a top-tier result on this measure.
Its student body is led by White (67%) and Two or More (33%) (diversity index 44/100).
No Advanced Placement courses are reported for this campus in the federal data.
Mckinney Isd also operates Mckinney H S (2,668 students) and Mckinney Boyd H S (2,547 students) alongside Serenity High.
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 Serenity High compares
Serenity High on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 3:1 | ▼ 80% | 14.7:1 | 15.7:1 |
| Enrollment | 3 | top 98% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
3:1
Leaner classes than 99% of US schools, among the more generously staffed nationally.
3
Bigger than 0% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Staffing depth
3:1
students per teacher
- 80% below state mean
Top 1% in Texas - lower ratio than 99% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Funding equity
$11,174
per pupil, district-wide
- below Texas avg of $13,644
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
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 66.7%
Two or More 33.3%
Largest group: White at 66.7% of enrollment.
Student-body diversity index 44.4/100
Simpson diversity index - at 44.4, Serenity High is about as mixed as the Texas school average of 44.7.
Programs
AP program Not offered
Funding & spending
District-wide per-pupil expenditure for Mckinney Isd, which includes Serenity High.
$11,174
Per student
-18%
vs Texas
Avg $13,644
-33%
vs U.S.
Avg $16,593
Revenue mix
Local 81.4%
State 8.9%
Federal 9.6%
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 Serenity High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mckinney H S | Larger | No free-lunch data | Higher S:T ratio |
| Mckinney Boyd H S | Larger | No free-lunch data | Higher S:T ratio |
| Mckinney North H S | Larger | No free-lunch data | Higher S:T ratio |
| Dr Jack Cockrill Middle | Larger | No free-lunch data | Higher S:T ratio |
| Scott Morgan Johnson Middle | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Serenity High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,668
- Students per teacher
- 15.4:1
- Resource Index
- 52/100
- Enrollment
- 2,547
- Students per teacher
- 16.1:1
- Resource Index
- 40/100
- Enrollment
- 2,387
- Students per teacher
- 17.7:1
- Resource Index
- 44/100
- Enrollment
- 1,210
- Students per teacher
- 13.9:1
- Resource Index
- 48/100
- Enrollment
- 1,108
- Students per teacher
- 16.5:1
- Resource Index
- 40/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Texas, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~3 students)
Next steps
Verify locally before acting on Serenity High's federal record.
- Compare Serenity High against another school. Compare schools
- Mckinney Isd'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 Serenity High
How many students attend Serenity High?
Serenity High has 3 students enrolled. It is a high school in Mckinney, TX.
What is the student-teacher ratio at Serenity High?
The student-teacher ratio at Serenity High is 3:1, which is 80% lower than the Texas average of 14.7:1 and 81% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Serenity High?
The largest demographic group at Serenity High is White at 66.7% of enrollment, in Mckinney, TX.
What is the Resource Investment Index for Serenity High?
Serenity High has a Resource Investment Index of 43/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Serenity High rank among high schools in Mckinney?
By Resource Investment Index, Serenity High ranks #1 of 6 high schools in Mckinney, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Mckinney on the city page.
Is Serenity High a good school?
Serenity High earns 43/100 on the Resource Investment Index, with class sizes smaller than 99% of Texas schools. It is also one of the smallest schools in Texas. 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 Mckinney Isd?
Besides Serenity High, Mckinney Isd also operates Mckinney H S (2,668 students), Mckinney Boyd H S (2,547 students), and Mckinney North H S (2,387 students). See the Mckinney Isd 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.