Enrollment
1,114
Texas · 2024-25 NCES data
High school (grades 9-12) · Plano, TX
Clark H S
Federal NCES profile for Clark H S, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 43/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 483510005571
👥 S:T ratio 45
📚 AP courses 25
🌟 Gifted program 70
🎓 Counselors 44
📋 Attendance 28
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Clark H S earns 43/100 on the Resource Investment Index, with class sizes near the Texas median. It is also more racially and ethnically mixed than most Texas schools.
- #4 of 9
- high schools in Plano · Resource Index
- 43
- Resource Index · Typical
- 13.8:1
- students per teacher
- 34.2%
- free-lunch eligible
Clark H S has class sizes near the Texas median. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, Clark H S ranks #4 of 9 high schools in Plano, TX.
School address
Teachers (FTE)
81.0
Federal CCD staff survey
Students per teacher
13.8:1
vs 14.7:1 Texas avg
-6% vs state
Free-lunch eligible
34.2%
vs 61.9% Texas avg
-45% vs state
Student-teacher ratio in context
How Clark H S compares with Texas and U.S. medians
What stands out at Clark H S
Clark H S is a large high school in Plano, Texas, enrolling 1,114 students.
At 13.8:1, its student-teacher ratio sits close to the Texas median, within a few percentage points of the 14.7:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat below the state's typical profile, with 34.2% of students eligible for free meals.
By headcount it is one of the larger campuses in Texas, bigger than 91% of state schools at 1,114 students.
Its Resource Investment Index sits near the middle of the pack among 8,960 scored Texas schools.
Against 684 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #173.
Its student body is led by White (37%) and Hispanic or Latino (28%), more mixed than most schools in the state (diversity index 74/100).
On the academic-pipeline side it reports 5 Advanced Placement courses.
Counselor coverage runs a bit thin, about 279 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 28.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Plano Isd also operates Plano East Sr H S (3,033 students) and Plano West Senior H S (2,559 students) alongside Clark H S.
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 Clark H S compares
Clark H S on the metrics families compare, against Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.8:1 | ▼ 6% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 34.2% | ▼ 45% | 61.9% | 51.7% |
| Enrollment | 1,114 | top 9% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.8:1
Leaner classes than 59% of US schools, a middle-of-the-pack class size.
1,114
Bigger than 93% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
34.2%
free-lunch eligible
- 45% below the Texas average of 61.9%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
13.8:1
students per teacher
- 6% below state mean
Top 45% in Texas - lower ratio than 55% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
28.6%
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
$11,203
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
Counselors4.0 FTE
Per 279 students, the combined health-and-guidance staffing load for this school.
Discipline context
116
in-school suspensions + 81 out-of-school
Suspension rate: 10.4 per 100 students. Combined in-school and out-of-school rate: 17.7 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 36.8%
Hispanic or Latino 28.0%
African American 15.6%
Asian 14.7%
Two or More 4.3%
American Indian / Alaska Native 0.4%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 36.8% of enrollment.
Student-body diversity index 73.8/100
Simpson diversity index - at 73.8, Clark H S is more mixed than the Texas school average of 44.7.
Programs
AP courses offered 5
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Plano Isd, which includes Clark H S.
$11,203
Per student
-18%
vs Texas
Avg $13,644
-32%
vs U.S.
Avg $16,593
Revenue mix
Local 80.7%
State 7.3%
Federal 12.0%
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 Clark H S Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Plano East Sr H S | Larger | Similar economic need | Higher S:T ratio |
| Plano West Senior H S | Larger | Lower economic need | Higher S:T ratio |
| Plano Sr H S | Larger | Similar economic need | Higher S:T ratio |
| Shepton H S | Similar size | Similar economic need | Similar S:T ratio |
| Jasper H S | Similar size | Lower economic need | Higher S:T ratio |
Comparisons are relative to Clark H S's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,033
- Students per teacher
- 17:1
- Resource Index
- 45/100
- Enrollment
- 2,559
- Students per teacher
- 17.2:1
- Resource Index
- 46/100
- Enrollment
- 2,267
- Students per teacher
- 15.7:1
- Resource Index
- 46/100
- Enrollment
- 1,360
- Students per teacher
- 14.8:1
- Resource Index
- 43/100
- Enrollment
- 1,301
- Students per teacher
- 17.6:1
- Resource Index
- 54/100
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 (~1,114 students)
Similar student-teacher ratio (~13.8:1)
Next steps
Verify locally before acting on Clark H S's federal record.
- Compare Clark H S against another school. Compare schools
- Plano 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 Clark H S
How many students attend Clark H S?
Clark H S has 1,114 students enrolled. It is a high school in Plano, TX.
What is the student-teacher ratio at Clark H S?
The student-teacher ratio at Clark H S is 13.8:1, which is 6% lower than the Texas average of 14.7:1 and 12% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Clark H S?
34.2% of students at Clark H S are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of Clark H S?
The largest demographic group at Clark H S is White at 36.8% of enrollment, in Plano, TX. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 73.8/100.
What is the Resource Investment Index for Clark H S?
Clark H S has a Resource Investment Index of 43/100 (typical 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).
How does Clark H S rank among high schools in Plano?
By Resource Investment Index, Clark H S ranks #4 of 9 high schools in Plano, 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 Plano on the city page.
Is Clark H S a good school?
Clark H S earns 43/100 on the Resource Investment Index, with class sizes near the Texas median. It is also more racially and ethnically mixed than most Texas 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 Plano Isd?
Besides Clark H S, Plano Isd also operates Plano East Sr H S (3,033 students), Plano West Senior H S (2,559 students), and Plano Sr H S (2,267 students). See the Plano 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.