Cliff Island School

Cliff Island School is one of the one-room-style elementary campuss in Cliff Island, Maine, operated by Portland Public Schools, with 3 students on its rolls from grades K through 5. That puts it 99% leaner than the typical public school in Maine, which averages around 229 students.

Across the 16 schools in Portland Public Schools (6,548 students total), Cliff Island School accounts for its share of the district's footprint.

Demographically, Cliff Island School records that 100% of students identify as White, making the school strongly White-majority. That is meaningfully more White than the county at large, where the share is closer to 86%.

Looking at school resources, The school employs 1 full-time-equivalent teachers, for a student-teacher ratio near 2.7:1. The state averages around 10.5:1, so this campus is tighter than the state norm typical.

Across the wider county, Cumberland County reports that the typical household earns roughly $95,677 per year, roughly 53% of adults have completed at least a four-year degree, and roughly 4% of residents live below the federal poverty line. In all, Cumberland County runs 99 public schools (combined enrollment of about 38,224 students), of which Cliff Island School is one.

The closest other public school is Chebeague Island School, roughly 2.6 miles away. 2 of the 8 nearest public schools sit inside a five-mile radius.

Cliff Island School operates from an outlying location.

Five-year trend. Over the past 7-year window, the student count edged up 50%: 2 students in 2018 compared to 3 in 2025.

On allk12, members of the Cliff Island School community share and discuss sports schedules, lunch menu changes, and school spirit week. Posting is open to anyone connected to the school.