Union Colony Preparatory School
🇺🇸 Official data · 2025Greeley, Colorado 80634 · GreeleySchool District No. 6 in the county of Weld and Sta
#277 of 307 high schools in Colorado
#15033 of 16,910 nationally
About Union Colony Preparatory School
Union Colony Preparatory School is a charter high located in Greeley, in the GreeleySchool District No. 6 in the county of Weld and Sta school district of Colorado, United States. It caters for Grades 6–12. In 2025 it enrolled 333 students. Publicly funded charter schools operating under a performance contract; free to attend.
Its Success Index (US) is 21.5 out of 100, placing it in the lower 50% of high schools in United States and 277th of 307 ranked high schools in Colorado. Its strongest component is community advantage (fewer free/reduced-price lunch) (38th percentile), and its weakest is students per teacher (14th percentile).
Other published figures: enrollment 333.
There are 25 schools in Greeley; Union Colony Preparatory School ranks 11th of 23 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)17%
- Reading proficiency (30%)32%
- Community advantage (fewer free/reduced-price lunch) (25%)61.3%
- Students per teacher (15%)20.8
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Union Colony Preparatory School by the official sources.
- Enrollment
- 333
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 61.3%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 20.8
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 32%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 17%
- Share of tested students proficient or above (all students, all grades).
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Schools near Union Colony Preparatory School
Closest schools by straight-line distance, with their Success Index (US).
Monfort Elementary School
Greeley · Public elementary · Grades K–5
373 students · 870 m away
Early College Academy
Greeley · Public high · Grades 9–12
293 students · 1.5 km away
University Schools
Greeley · Charter other · Grades K–12
1,784 students · 1.8 km away
S. Christa McAuliffe STEM Academy
Greeley · Public elementary · Grades K–8
932 students · 2.4 km away
Greeley West High School
Greeley · Public high · Grades 9–12
1,936 students · 2.7 km away
West Ridge Academy
Greeley · Charter elementary · Grades K–8
329 students · 2.8 km away
Shawsheen Elementary School
Greeley · Public elementary · Grades PK–5
405 students · 2.8 km away
Tointon Academy of Pre-Engineering
Greeley · Public elementary · Grades PK–8
1,127 students · 3.2 km away
Heiman Elementary School
Evans · Public elementary · Grades K–5
602 students · 3.2 km away
Meeker Elementary School
Greeley · Public elementary · Grades PK–5
475 students · 3.3 km away
Similar schools
Charter high schools in Colorado with a comparable Enrollment.
The Vanguard School (High)
Colorado Springs · Charter high · Grades 9–12
303 students
DSST: Cole High School
Denver · Charter high · Grades 9–12
287 students
Animas High School
Durango · Charter high · Grades 9–12
249 students
The STEAD School
Commerce City · Charter high · Grades 9–12
421 students
James Irwin Charter High School
Colorado Springs · Charter high · Grades 9–12
425 students
Windsor Charter Academy Early College High School
Windsor · Charter high · Grades 9–12
435 students
Frequently asked questions
Is Union Colony Preparatory School a good school?
Union Colony Preparatory School has a Success Index (US) of 21.5 out of 100 (Lower 50% of high schools in United States) and ranks #277 of 307 in Colorado. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Union Colony Preparatory School rank in Colorado?
Union Colony Preparatory School ranks #277 of 307 high schools in Colorado and #15033 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Union Colony Preparatory School?
Union Colony Preparatory School had 333 students in 2025.
Is Union Colony Preparatory School a elementary school or a high school?
Union Colony Preparatory School is classified as a high covering Grades 6–12. It is a charter school.
What other schools are near Union Colony Preparatory School?
There are 10 schools within 15 km of Union Colony Preparatory School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.