Summary:
Glenns Ferry Joint District contains exactly one high school, Glenns Ferry High School, serving grades 9–12 with 128 students in a small, close-knit school setting. Because this is the district's only high school, its performance defines the district's high school ranking. The school enrolls just 128 students across four grade levels, meaning roughly 32 students per grade, and has a low student-teacher ratio of 13.3 to 1, which likely translates to small class sizes and personalized attention. The district itself ranks 87 out of 101 Idaho districts, placing in the 14th percentile.
Academically, Glenns Ferry High School shows mixed results. The school's overall English Language Arts proficiency was 52.6% in 2024–2025, nearly matching the state average of 53.9% and well above the district average of 40.2%. However, End-of-Course ELA scores were just 33.3% versus the state's 61.3%. Math is the biggest concern, with only 23.7% of students proficient — 19.4 percentage points below the state average. Science proficiency came in at 32.4%, above the district's 28.4% but below the state's 42.6%. The graduation rate of 82.5% matches the state average exactly.
Attendance is a clear bright spot: chronic absenteeism is 11.0%, better than both the district (15.4%) and the state (13.8%). More than half the student body (51.56%) qualifies for free or reduced lunch, indicating economic disadvantage, making the strong attendance particularly notable. The school's state ranking has fluctuated: it ranked 108 out of 122 in 2025–2026 (11th percentile), down from 88 out of 112 the prior year, but up from 50 out of 52 in 2017–2018. With such a small student body, individual student performance can shift proficiency rates significantly from year to year, so targeted help for even a handful of students could meaningfully improve the school's metrics and ranking.
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