Canon-McMillan SHS

Set in Canonsburg, Pennsylvania, Canon-McMillan SHS is a heavily attended 9-12 campus, operated by Canon-McMillan SD. It caters to 1,660 students across grades 9 through 12. Compared to the state average of about 738 students per school, that is 125% larger than typical.

Within Canon-McMillan SD, which oversees 9 schools and 5,390 students, Canon-McMillan SHS is one campus in the system.

Demographically, Canon-McMillan SHS logs that nearly all students (84%) are White. Beyond that, the school logs 6% multiracial, 4% Black, 3% Hispanic, 2% Asian.

Looking at the economic backdrop, Canon-McMillan SHS logs 98 full-time-equivalent teachers, putting the student-to-teacher ratio at about 16.9:1. That figure is higher than the state norm's 12.8:1 average. Around 30% of the student body qualifies for free or reduced-price meals, a number frequently used as a low-income enrollment indicator. By comparison, Washington County runs at roughly 49%, so the school's eligibility rate is below the surrounding baseline.

After controlling for student poverty, Canon-McMillan SHS tracks the demographic baseline. The model predicts 64.6% given the school's FRL share; actual proficiency is 62.8%.

In the surrounding community, the surrounding county (Washington County) reports that median household earnings sit near $78,958, roughly 33% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 6%. Canon-McMillan SHS is one of 56 public schools in Washington County (combined enrollment of about 26,079 students).

The closest other public school is South Central El, roughly 0.6 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 8 schools in that immediate cluster with test data (this one included), Canon-McMillan SHS ranks 6th on composite proficiency, below the local average of 66.1%.

The campus sits in a residential setting.

Looking at the recent track record. Over the past 7-year window, the student count stayed largely flat: 1,635 students in 2018 compared to 1,660 in 2025. White enrollment moved from 90% to 84% across the same window. The student-to-teacher ratio tightened from 19.2:1 in 2018 to 16.9:1 today.

On allk12, the feed for Canon-McMillan SHS typically covers fundraisers, lost-and-found posts, and report-card season. Anyone with firsthand experience at this school can post or comment.