Enrollment
1,010
Texas · 2024-25 NCES data
High school (grades 9-12) · Murphy, TX
C a Mcmillen H S
Federal NCES profile for C a Mcmillen H S, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 483510012193
👥 S:T ratio 42
📚 AP courses 20
🌟 Gifted program 70
🎓 Counselors 50
📋 Attendance 27
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
C a Mcmillen H S earns 42/100 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 4
- public schools in Murphy · Resource Index
- 42
- Resource Index · Typical
- 14.6:1
- students per teacher
- 35.7%
- free-lunch eligible
C a Mcmillen H S has class sizes near the Texas median. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, C a Mcmillen H S ranks #4 of 4 public schools in Murphy, TX.
School address
Teachers (FTE)
69.0
Federal CCD staff survey
Students per teacher
14.6:1
vs 14.7:1 Texas avg
-1% vs state
Free-lunch eligible
35.7%
vs 61.9% Texas avg
-42% vs state
Student-teacher ratio in context
How C a Mcmillen H S compares with Texas and U.S. medians
What stands out at C a Mcmillen H S
C a Mcmillen H S is a large high school in Murphy, Texas, enrolling 1,010 students.
At 14.6:1, 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 35.7% of students eligible for free meals.
Enrollment of 1,010 puts it in the larger third of Texas schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 8,960 scored Texas schools.
Against 800 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #201.
Its student body is led by Hispanic or Latino (30%) and White (30%), more mixed than most schools in the state (diversity index 75/100).
On the academic-pipeline side it reports 4 Advanced Placement courses.
Counselor coverage runs a bit thin, about 253 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 29.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Discipline events run high: 341 in- and out-of-school suspensions were reported for 1,010 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 2 expulsions at this campus for 2021-22.
Plano Isd also operates Plano East Sr H S (3,033 students) and Plano West Senior H S (2,559 students) alongside C a Mcmillen 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 C a Mcmillen H S compares
C a Mcmillen 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 | 14.6:1 | ▼ 1% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 35.7% | ▼ 42% | 61.9% | 51.7% |
| Enrollment | 1,010 | top 11% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.6:1
Leaner classes than 51% of US schools, a middle-of-the-pack class size.
1,010
Bigger than 91% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
35.7%
free-lunch eligible
- 42% 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
14.6:1
students per teacher
- 1% below state mean
Top 55% in Texas - lower ratio than 45% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
29.1%
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 253 students, the combined health-and-guidance staffing load for this school.
Discipline context
274
in-school suspensions + 67 out-of-school
Suspension rate: 27.1 per 100 students. Combined in-school and out-of-school rate: 33.8 per 100 students. Reported via the Civil Rights Data Collection. Includes 2 expulsions.
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 30.4%
White 29.5%
Asian 21.8%
African American 13.2%
Two or More 4.9%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.1%
Largest group: Hispanic or Latino at 30.4% of enrollment.
Student-body diversity index 75.3/100
Simpson diversity index - at 75.3, C a Mcmillen H S is more mixed than the Texas school average of 44.7.
Programs
AP courses offered 4
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Plano Isd, which includes C a Mcmillen 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 C a Mcmillen 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 | Similar S:T ratio |
| Shepton H S | Larger | Similar economic need | Similar S:T ratio |
| Jasper H S | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to C a Mcmillen 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 (~1,010 students)
Similar student-teacher ratio (~14.6:1)
Next steps
Verify locally before acting on C a Mcmillen H S's federal record.
- Compare C a Mcmillen 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 C a Mcmillen H S
How many students attend C a Mcmillen H S?
C a Mcmillen H S has 1,010 students enrolled. It is a high school in Murphy, TX.
What is the student-teacher ratio at C a Mcmillen H S?
The student-teacher ratio at C a Mcmillen H S is 14.6:1, which is 1% lower than the Texas average of 14.7:1 and 7% 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 C a Mcmillen H S?
35.7% of students at C a Mcmillen H S are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of C a Mcmillen H S?
The largest demographic group at C a Mcmillen H S is Hispanic or Latino at 30.4% of enrollment, in Murphy, TX. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 75.3/100.
What is the Resource Investment Index for C a Mcmillen H S?
C a Mcmillen H S has a Resource Investment Index of 42/100 (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 C a Mcmillen H S rank among public schools in Murphy?
By Resource Investment Index, C a Mcmillen H S ranks #4 of 4 public schools in Murphy, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Murphy on the city page.
Is C a Mcmillen H S a good school?
C a Mcmillen H S earns 42/100 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 C a Mcmillen 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.