allk12 · Rankings · Largest · Missouri · Franklin County · High schools

The largest public high schools in Franklin County, Missouri

Across Franklin County, Missouri, 6 public high schools are ranked here, ranked by total student enrollment, excluding online and virtual schools. Washington High School leads the list at 1,263, against a median of 812 across the ranked schools.

The table below is sortable and filterable, and the full list downloads as a CSV. Figures come from federal NCES enrollment data and, where applicable, state assessment results for 2024-25.

Schools ranked

Franklin County, Missouri

Top Students

1,263

Median Students

812

LARGEST · FRANKLIN COUNTY, MISSOURI

#	School	City	District	Level	Students
1	Washington High School	Washington, MO	WASHINGTON	High	1,263
2	PACIFIC HIGH	PACIFIC, MO	MERAMEC VALLEY R-III	High	973
3	UNION HIGH	UNION, MO	UNION R-XI	High	956
4	SULLIVAN SR. HIGH	SULLIVAN, MO	SULLIVAN	High	668
5	ST. CLAIR HIGH	ST CLAIR, MO	ST. CLAIR R-XIII	High	627
6	NEW HAVEN HIGH	NEW HAVEN, MO	NEW HAVEN	High	130

Page 1 of 1 · top 6 of 6 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

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DATA NOTICE

allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.