Summary:
The city of Firth, Idaho, is home to just one middle school, Firth Middle School, which serves 247 students in grades 5 through 8 and belongs to the Firth District, the state's 23rd-ranked district out of 101 with a 4-star rating. Because it is the only middle school in the city, there are no direct school-to-school comparisons to make, so the most useful benchmarks are the district average, the Idaho state average, and the school's own performance over time.
Firth Middle School has shown dramatic improvement in recent years, rising from the 4th percentile in 2017–2018 to the 59th percentile in 2025–2026, when it ranked 71st out of 174 Idaho middle schools. Its clearest academic strength is English Language Arts, where 59.3% of students are proficient overall and every grade level outperforms the state — most notably 8th grade, where 65.6% of students meet the standard compared with 54.5% statewide. The school also earns high marks for attendance, with just 7.1% chronic absenteeism, roughly half the state rate of 13.8%.
Math and science results are more mixed. Overall math proficiency sits at 41.8%, just below the state average of 43.1%, with 6th graders excelling at 50.9% but 7th graders lagging at 36.5%. Science shows a similar split: 8th graders post a strong 50.8% proficiency rate versus 42.9% statewide, while 5th graders come in at 33.3% compared with 44.0% statewide. The school made broad year-over-year gains across every subject, and the 9.7-point jump in ELA proficiency from 49.6% to 59.3% is particularly notable, moving the school from below the state average to well above it.
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