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Castro Elementary School vs Rocky Mountain Prep Southwest

A head-to-head comparison of two elementary schools in Colorado, United States, 628 m apart, using official American 2025 data. The better value in each row is highlighted.

MeasureCastro Elementary School
Denver, Colorado
Rocky Mountain Prep Southwest
Denver, Colorado
Success Index (US)
17
Lower 50%
23
Lower 50%
State rank#926 of 993#816 of 993
National rank#46846 of 50,301#43106 of 50,301
SectorPublicCharter
TypeElementaryElementary
Year rangeGrades K–5Grades PK–5
Students241453
Enrollment241453
Free/reduced-price lunch91.7%90.9%
Students per teacher14.213.3
Reading proficiency24%17%
Math proficiency14%32%
cityDenverDenver
stateColoradoColorado
Website––

The verdict

  • •Rocky Mountain Prep Southwest scores higher on the Success Index (US) (22.8 vs 16.5).
  • •Rocky Mountain Prep Southwest does better on math proficiency (32% vs 14%).
  • •Castro Elementary School does better on reading proficiency (24% vs 17%).
  • •Rocky Mountain Prep Southwest does better on community advantage (fewer free/reduced-price lunch) (90.9% vs 91.7%).
  • •Rocky Mountain Prep Southwest does better on students per teacher (13.3 vs 14.2).
  • •Rocky Mountain Prep Southwest is the larger school with 453 students compared with 241.
  • •Castro Elementary School is a public school while Rocky Mountain Prep Southwest is a charter school, so fees and admission rules differ.

The Success Index (US) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.

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Frequently asked questions

Is Castro Elementary School better than Rocky Mountain Prep Southwest?

On the Success Index (US), Rocky Mountain Prep Southwest ranks higher (22.8 vs 16.5 out of 100). The index is built from published results and context data, not from teaching quality or fit, so visit both schools before deciding.

How far apart are Castro Elementary School and Rocky Mountain Prep Southwest?

About 628 m in a straight line, between Denver and Denver in Colorado.

Which has the better Enrollment?

Castro Elementary School: 241. Rocky Mountain Prep Southwest: 453. Students enrolled in the latest NCES directory year.

How do Castro Elementary School and Rocky Mountain Prep Southwest rank in Colorado?

Castro Elementary School is 926th of 993 and Rocky Mountain Prep Southwest is 816th of 993 among elementary schools in Colorado on the 2025 Success Index (US).