Middle school (grades 6-8) · San Marcos, TX

Miller Middle

Federal NCES profile for Miller Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 43/100.

2024-25 NCES dataMiddle school (grades 6-8)NCES 483897017035
0/100100/10043/100
👥 S:T ratio
36
🌟 Gifted program
70
🎓 Counselors
40
📋 Attendance
26
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Miller Middle earns 43/100 on the Resource Investment Index, with class sizes larger than 71% of Texas schools.

#6 of 15
public schools in San Marcos · Resource Index
43
Resource Index · Typical
16:1
large classes for Texas
72.1%
free-lunch eligible

Miller Middle has class sizes larger than 71% of Texas schools. Computed live against every Texas school reporting to NCES.

By Resource Investment Index, Miller Middle ranks #6 of 15 public schools in San Marcos, TX.

School address

Enrollment

896

Texas · 2024-25 NCES data

Teachers (FTE)

56.0

Federal CCD staff survey

Students per teacher

16:1

vs 14.7:1 Texas avg

+9% vs state

Free-lunch eligible

72.1%

vs 61.9% Texas avg

+16% vs state

Student-teacher ratio in context

How Miller Middle compares with Texas and U.S. medians

Slightly above state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Miller Middle

Miller Middle is a higher-need, large middle school in San Marcos, Texas, enrolling 896 students.

Class loads run somewhat heavier than typical: 16:1 puts it in the larger third of Texas schools by student-teacher ratio.

Its free-meal eligibility rate of 72.1% lands close to the Texas typical range, neither a high- nor low-need campus by this measure.

Enrollment of 896 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 1,330 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #376.

Its student body is led by Hispanic or Latino (63%) and White (29%) (diversity index 52/100).

Counselor coverage runs a bit thin, about 299 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.

Chronic absenteeism is elevated: 29.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).

Its district draws 19.3% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.

Discipline events run high: 248 in- and out-of-school suspensions were reported for 896 students in the 2021-22 Civil Rights Data Collection.

The federal civil-rights collection also records 4 expulsions at this campus for 2021-22.

San Marcos Cisd also operates San Marcos H S (2,371 students) and Goodnight Middle (884 students) alongside Miller Middle.

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 Miller Middle compares

Miller Middle on the metrics families compare, against Texas and U.S. means.

Metric This school vs Texas Texas avg U.S. avg
Students per teacher 16:1 ▲ 9% 14.7:1 15.7:1
Free-lunch eligible 72.1% ▲ 16% 61.9% 51.7%
Enrollment 896 top 14% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

16:1
Leaner classes than 38% of US schools, a middle-of-the-pack class size.
896
Bigger than 89% of US schools by enrollment, a large campus nationally.

Equity indicators (what these measure)

Economic need
72.1%
free-lunch eligible - 16% above the Texas average of 61.9%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
16:1
students per teacher - 9% above state mean
Top 71% in Texas - lower ratio than 29% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
29.8%
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
$11,826
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
Counselors3.0 FTE
Per 299 students, the combined health-and-guidance staffing load for this school.
Discipline context
126
in-school suspensions + 122 out-of-school
Suspension rate: 14.1 per 100 students. Combined in-school and out-of-school rate: 27.7 per 100 students. Reported via the Civil Rights Data Collection. Includes 4 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 63.1%
White 28.7%
African American 4.7%
Two or More 2.6%
Asian 0.7%
Native Hawaiian / Pacific Islander 0.2%
American Indian / Alaska Native 0.1%

Largest group: Hispanic or Latino at 63.1% of enrollment.

Student-body diversity index 51.7/100

Simpson diversity index - at 51.7, Miller Middle is more mixed than the Texas school average of 44.7.

Programs

Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for San Marcos Cisd, which includes Miller Middle.

$11,826
Per student
-13%
vs Texas
Avg $13,644
-29%
vs U.S.
Avg $16,593
Revenue mix
Local 71.5%
State 9.2%
Federal 19.3%

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 Miller Middle Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
San Marcos H S Larger Similar economic need Lower S:T ratio
Goodnight Middle Similar size Higher economic need Lower S:T ratio
Dezavala El Smaller Higher economic need Lower S:T ratio
Bowie El Smaller Similar economic need Similar S:T ratio
Hernandez El Smaller Lower economic need Lower S:T ratio

Comparisons are relative to Miller Middle's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

San Marcos Cisd · 5 sibling schools

View district profile

Similar middle 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.

Next steps

Verify locally before acting on Miller Middle'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.

Frequently asked questions about Miller Middle

How many students attend Miller Middle?

Miller Middle has 896 students enrolled. It is a middle school in San Marcos, TX.

What is the student-teacher ratio at Miller Middle?

The student-teacher ratio at Miller Middle is 16:1, which is 9% higher than the Texas average of 14.7:1 and 2% higher than the national average of 15.7:1.

What percentage of students receive free lunch at Miller Middle?

72.1% of students at Miller Middle are eligible for free lunch, compared to the Texas average of 61.9%.

What is the racial and ethnic makeup of Miller Middle?

The largest demographic group at Miller Middle is Hispanic or Latino at 63.1% of enrollment, in San Marcos, TX. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 51.7/100.

What is the Resource Investment Index for Miller Middle?

Miller Middle has a Resource Investment Index of 43/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Miller Middle rank among public schools in San Marcos?

By Resource Investment Index, Miller Middle ranks #6 of 15 public schools in San Marcos, 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 San Marcos on the city page.

Is Miller Middle a good school?

Miller Middle earns 43/100 on the Resource Investment Index, with class sizes larger than 71% of 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 San Marcos Cisd?

Besides Miller Middle, San Marcos Cisd also operates San Marcos H S (2,371 students), Goodnight Middle (884 students), and Dezavala El (584 students). See the San Marcos Cisd district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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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.