WARREN ELEM.

Located at 141 WEISS RD, in ST PETERS, Missouri, WARREN ELEM. is an expansive elementary school that instructs 729 students (grades K through 5), one of the schools within FRANCIS HOWELL R-III. That puts it 131% above the typical public school in Missouri, which averages around 315 students.

FRANCIS HOWELL R-III comprises 21 schools with combined enrollment of 17,047 students; WARREN ELEM. is among them.

For racial and ethnic makeup, WARREN ELEM. reports that 76% of the student body identifies as White; the rest reads as 6% Hispanic, 6% Black, 6% Asian, 6% multiracial. That is considerably less White than the county at large, where the share is closer to 84%.

Looking at school resources, WARREN ELEM. shows 55 full-time-equivalent teachers, putting the student-to-teacher ratio at about 13.4:1. That figure is higher than the state norm's 12.4:1 average. Around 10% of the student body qualifies for free or reduced-price meals, a commonly cited indicator of low-income enrollment. Set against St. Charles County (around 19%), the school's rate is noticeably below typical.

With demographic context factored in, WARREN ELEM. tracks the demographic baseline. The model predicts 51.1% given the school's FRL share; actual proficiency is 64.8%.

In the area at large, the surrounding county (St. Charles County) records that median household earnings sit near $104,692, roughly 43% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 4%. In all, St. Charles County runs 93 public schools (combined enrollment of about 59,314 students), of which WARREN ELEM. is one.

Nearest neighbor: FRANCIS HOWELL CENTRAL HIGH, around 1.0 miles off. Within five miles, there are 8 other public schools. On composite proficiency, WARREN ELEM. comes 3rd of 8 in the immediate cluster, higher than the nearby-schools average of 58.3%.

The campus sits in a suburban setting.

Five-year trend. Over the past 7-year window, the student count contracted 15%: 856 students in 2018 compared to 729 in 2025. White enrollment moved from 84% to 76% across the same window. The student-to-teacher ratio narrowed from 14.4:1 in 2018 to 13.4:1 today.

On allk12, posts here usually surface around pickup logistics, teacher feedback, and after-school programs. The community welcomes input from current and former families.