- Enrollment
- 2,128
- Students per teacher
- 20.5:1
- Resource Index
- 22/100
High school (grades 9-12) · Mesilla, NM
Rio Grande Preparatory Institute
Federal NCES profile for Rio Grande Preparatory Institute, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 82/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 350150000932
👥 S:T ratio 85
🌟 Gifted program 70
🎓 Counselors 90
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Rio Grande Preparatory Institute earns 82/100 on the Resource Investment Index, with class sizes smaller than 99% of New Mexico schools.
- 82
- Resource Index · Higher
- 3.8:1
- small classes for New Mexico
- 100.0%
- free-lunch eligible
- 46
- students enrolled
Rio Grande Preparatory Institute has class sizes smaller than 99% of New Mexico schools. Computed live against every New Mexico school reporting to NCES.
School address
District: Las Cruces Public Schools · New Mexico
NCES ID 350150000932 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+4 students YoY
Rio Grande Preparatory Institute held near 148 students from 2022-23 to 2023-24 (+4 headcount).
Teacher FTE added 12.0 → 19.1 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+4 students YoY 350150000932 · Mesilla, NM High · SMALL · TRAD
46 enr · 3.8:1 · 100.0% lunch · RII 82
Nearest enrollment peer: Organ Mountain High School (2,128 students)
Rio Grande Preparatory Institute held near 148 students from 2022-23 to 2023-24 (+4 headcount). Teacher FTE added 12.0 → 19.1 across the same CCD years. Read with this school → · District book → · New Mexico schools → · Find another →
Rio Grande Preparatory Institute in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Organ Mountain
Organ Mountain High School
2,128 students
- Centennial Hig
Centennial High School
1,713 students
- Las Cruces Hig
Las Cruces High
1,703 students
- Mayfield High
Mayfield High
1,327 students
- Camino Real Mi
Camino Real Middle
933 students
- This school 46
Rio Grande Preparatory Institute
46 students
What this shows Rio Grande Preparatory Institute reports 46 students on the CCD universe file.
How Rio Grande Preparatory Institute compares
Rio Grande Preparatory Institute held steady on CCD headcount: ratios and free-lunch share vs New Mexico and U.S. means.
| Metric | This school | vs New Mexico | New Mexico avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 3.8:1 | ▼ 73% | 14:1 | 15.7:1 |
| Free-lunch eligible | 100.0% | ▲ 24% | 80.8% | 51.7% |
| Enrollment | 46 | top 93% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
3.8:1
Leaner classes than 99% of US schools, among the more generously staffed nationally.
46
Bigger than 5% of US schools by enrollment, a small campus.
Equity indicators methodology
Economic need
100.0%
free-lunch eligible
- 24% above the New Mexico average of 80.8%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
3.8:1
students per teacher
- 73% below state mean
Top 1% in New Mexico - 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
$14,613
per pupil, district-wide
- below New Mexico avg of $19,381
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors0.9 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
5
in-school suspensions + 2 out-of-school
Suspension rate: 10.9 per 100 students. Combined in-school and out-of-school rate: 15.2 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 76.1%
White 21.7%
African American 2.2%
Largest group: Hispanic or Latino at 76.1% of enrollment.
Student-body diversity index 37.3/100
Simpson diversity index - at 37.3, Rio Grande Preparatory Institute is less mixed than the New Mexico school average of 39.8.
Programs
AP program Not offered
Gifted & talented Yes
District finance for Las Cruces Public Schools reports $14,613 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Rio Grande Preparatory Institute Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Organ Mountain High School | Larger | No free-lunch data | Higher S:T ratio |
| Centennial High School | Larger | No free-lunch data | Higher S:T ratio |
| Las Cruces High | Larger | Similar economic need | Higher S:T ratio |
| Mayfield High | Larger | No free-lunch data | Higher S:T ratio |
| Camino Real Middle | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Rio Grande Preparatory Institute's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,713
- Students per teacher
- 18.6:1
- Resource Index
- 26/100
- Enrollment
- 1,703
- Students per teacher
- 17.4:1
- Resource Index
- 25/100
- Enrollment
- 1,327
- Students per teacher
- 16.2:1
- Resource Index
- 26/100
- Enrollment
- 933
- Students per teacher
- 17.3:1
- Resource Index
- 27/100
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~46 students)
Frequently asked questions about Rio Grande Preparatory Institute
How many students attend Rio Grande Preparatory Institute?
Rio Grande Preparatory Institute has 46 students enrolled. It is a high school in Mesilla, NM. CCD year-over-year: 144 (2022-23) → 148 (2023-24), nearly flat (+4).
What is the student-teacher ratio at Rio Grande Preparatory Institute?
The student-teacher ratio at Rio Grande Preparatory Institute is 3.8:1, which is 73% lower than the New Mexico average of 14:1 and 76% 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 Rio Grande Preparatory Institute?
100.0% of students at Rio Grande Preparatory Institute are eligible for free lunch, compared to the New Mexico average of 80.8%.
What is the racial and ethnic makeup of Rio Grande Preparatory Institute?
The largest demographic group at Rio Grande Preparatory Institute is Hispanic or Latino at 76.1% of enrollment, in Mesilla, NM.
What is the Resource Investment Index for Rio Grande Preparatory Institute?
Rio Grande Preparatory Institute has a Resource Investment Index of 82/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
What other schools are in Las Cruces Public Schools?
Besides Rio Grande Preparatory Institute, Las Cruces Public Schools also operates Organ Mountain High School (2,128 students), Centennial High School (1,713 students), and Las Cruces High (1,703 students). See the Las Cruces Public Schools district page for the complete list.