North Mianus School

North Mianus School operates as a reasonably sized elementary campus in Riverside, Connecticut, operated by Greenwich School District. Current enrollment sits at 423 students spanning grades K through 5.

Greenwich School District runs 15 schools in total, collectively educating 8,377 students. North Mianus School is one of those campuses.

For racial and ethnic makeup, North Mianus School reports that White students make up the majority at 65%. Beyond that, the school shows 14% Asian, 13% Hispanic, 7% multiracial.

On the resource side, On paper, North Mianus School has 41 full-time-equivalent teachers, translating to a class-load average of around 10.2:1. The state averages around 12.6:1, so this campus is tighter than the state norm typical. An estimated 3% of students are eligible for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. That share is lower than Western Connecticut Planning Region's rate of about 33%.

In the broader community, the surrounding county (Western Connecticut Planning Region) records that median household income runs about $128,188, 56% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 5%. In all, Western Connecticut Planning Region runs 149 public schools (combined enrollment of about 90,520 students), of which North Mianus School is one.

Nearest neighbor: International School At Dundee, around 0.4 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius.

The campus sits in an outer-ring setting.

Five-year trend. Looking back 7 years, enrollment at North Mianus School has decreased 16%, going from 505 students in 2018 to 423 in 2025. Asian enrollment moved from 20% to 14% across the same window. The student-to-teacher ratio pulled in from 12.5:1 in 2018 to 10.2:1 today.

On allk12, members of the North Mianus School community share and discuss open house dates, ride-share offers, and field-trip permission slips. Posting is open to anyone connected to the school.