Summary:
The five high schools in Shasta Union High serve grades 9–12, with enrollment ranging from 76 at Shasta Collegiate Academy to 1,487 at Foothill High. For 2025–2026, state proficiency benchmarks were 49% in ELA, 38% in math and 36% in science. The clearest concern is Pioneer Continuation High: its results were 18% in ELA, 6% in math and 9% in science, while chronic absenteeism was 72% and graduation was 76%—compared with 18% and 88% statewide.
Shasta Collegiate Academy and Shasta High led ELA, both at 72%; they were virtually tied and 23 points above the state benchmark. Enterprise High led math at 42%, while Shasta High led science at 49%, 13 points above the state. Foothill, Shasta High and Enterprise exceeded state benchmarks in all three subjects; Collegiate was below the math benchmark, and Pioneer was below all three. Pioneer’s scores were 51 ELA points, 33 math points and 36 science points below the other four schools’ averages, making it a substantial outlier; its continuation-school setting is important context for comparisons.
Recent results vary: Enterprise made the largest gains, up 22 points in ELA, 10 in math and 13 in science from 2024–2025, while Pioneer also improved but remained lowest. Foothill and Collegiate declined in all three subjects; Shasta High gained in ELA and science but fell 10 points in math. SchoolDigger’s 2025–2026 rankings place Shasta High at the 82nd percentile, Enterprise at the 79th, Collegiate at the 77th, Foothill at the 74th and Pioneer at the 16th. School context also differs: Collegiate has the lowest student-teacher ratio, 10.3, while Enterprise’s is 21.2; Enterprise’s free/reduced lunch eligible measure was 66% and Pioneer’s was 77% in 2024–2025. These measures are useful context, not explanations for achievement differences.
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