Richard McKenna Charter School - Onsite

Richard McKenna Charter School - Onsite is a small charter school in Mountain Home, ID, serving 113 students in grades 7–12, and despite being part of the low-ranked Idaho Virtual High School Inc. district, the onsite campus itself earns a 3-star rating and ranks 42nd out of 122 Idaho high schools.

The school's academic profile shows clear strengths in English language arts and science. Onsite has exceeded the state average in ELA every year reported, including a standout 70% proficiency rate in 2023–2024, while science proficiency has run 50–57% over the past two years, also above state averages. Math is the consistent weakness, with proficiency rates in the 25–32% range for three straight years, roughly 10–18 points below the state average. Compared with nearby Mountain Home Senior High School and Bennett Mountain High School, Onsite outperforms in ELA and science. The contrast with its virtual sibling is especially striking: Richard McKenna Charter School - Online ranks 114th out of 122 Idaho high schools with a 0-star rating and a 35.3 student–teacher ratio, while Onsite sits in the top third of the state with a 15.8 ratio.

Graduation rates at Onsite have been strong, reaching 90% in 2023–2024 and 2021–2022, and consistently far exceeding the district average in years when the district lagged around 36–51%. Chronic absenteeism sits at 20.2%, elevated versus the state rate of 14.6%, but lower than nearby Bennett Mountain High School (48.6%), Mountain Home Senior High School (24.4%), and Rimrock Junior/Senior High School (23.1%). The school also invests heavily in students, spending $13,283 per pupil, roughly 70% more than Mountain Home Senior High School. Overall, Onsite delivers solid academic results, particularly in ELA and science, with strong graduation outcomes that justify its higher per-pupil spending, while math proficiency and attendance remain areas to watch.