Summary:
Zip code 82637 has three schools serving preschool through grade 12: Grant Elementary (PK–3), Glenrock Intermediate School (4–6), and Glenrock Junior/Senior High School (7–12). Their latest test results show that performance varies considerably by grade and subject, rather than one school leading across the board. Taken together, the clearest area-wide strength is math: average proficiency was 62.5%, 7.5 percentage points above the state average, while English Language Arts was essentially even with the state.
Grant Elementary has the strongest state-relative results: its grade 3 students were 82.2% proficient in math, 21.0 points above the state, and 64.4% proficient in ELA, 8.7 points above. The most pronounced shortfall is at Glenrock Intermediate School, where grade 4 ELA proficiency was 38.0%, 14.6 points below the state; its grade 5 and 6 ELA results were above state levels, however. At Glenrock Junior/Senior High School, grade 10 science was 60.5%, 7.2 points above the state, while grade 10 math was 3.1 points below. The high school also reported a 100% graduation rate, compared with 83.1% statewide.
Results generally improved from 2024–25 to 2025–26: across matched grade-and-subject results, school proficiency rose an average of 8.5 points, compared with 2.6 points statewide. Progress was not consistent—high school ELA fell in grades 7 and 9, and Intermediate grade 4 ELA also declined—so families may want to look closely at the specific grade their child will enter. SchoolDigger ranks the high school 40th of 81 schools in 2025–26 (51st percentile), up from 60th of 83 the prior year, and raised its rating from one star to three. Reported student-teacher ratios are 9.3 at Grant, 9.6 at Intermediate, and 11.5 at the high school; free/reduced-lunch eligibility is 41.6%, 47.9%, and 42.0%, respectively. These figures offer context, while the contrasting grade-level results show why no single measure captures each school’s strengths.
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