High · Alternative · Grades 9 to 12

Francis Howell Union High, O'Fallon, MO

Francis Howell Union High is a public high school in O'Fallon, part of Francis Howell R-Iii School District. It enrolled 0 students in 2024-25.Listed in NCES data as "FRANCIS HOWELL UNION HIGH".

Enrollment and teachers

Students: 0
Teachers (FTE): 10.0
Grades: 9 to 12

School details

Address: 801 Corporate Centre Drive, O'Fallon, MO 63368
Phone: (636)851-5000
District: Francis Howell R-Iii School District
County: St. Charles County
Level: High
Type: Alternative
Status: Open
Charter: No
Virtual: No
Locale: Suburb: Large
NCES school ID: 292895002063

Location from NCES coordinates. Map data OpenStreetMap contributors. Open larger map

Related schools

Other high schools in Francis Howell R-Iii School District

Francis Howell High 1,843 students
Francis Howell Central High 1,750 students
Francis Howell North High 1,716 students

We publish official enrollment and staffing data, not ratings or test scores.

Source: NCES Common Core of Data 2024-25 and F-33 finance 2020, via the Urban Institute Education Data Portal. Last reviewed October 2026. Blank values are not available, not applicable or suppressed in the source. See the methodology.