Walnut Grove Elem

Located at 11800 S Pflumm Road, in Olathe, Kansas, Walnut Grove Elem is a medium-sized primary school that teaches 394 students (grades pre-K through 5), one of the schools within Olathe. Enrollment runs roughly 26% above the state mean of about 313.

Olathe comprises 52 schools with combined enrollment of 28,194 students; Walnut Grove Elem is among them.

In terms of who attends, Walnut Grove Elem lists that the largest single group is White, at 62% of enrollment. Beyond that, the school lists 15% Hispanic, 12% multiracial, 6% Black, 3% Asian. The wider county runs roughly 79% White, putting the school's mix noticeably less White than the area baseline.

Looking at the economic backdrop, Staff filings list 26 full-time-equivalent teachers, which works out to roughly 15.2:1 students per teacher. Statewide, the average ratio sits near 13.2:1, putting Walnut Grove Elem higher than the state norm the norm. About 22% of enrolled students meet the income threshold for free or reduced-price lunch, a commonly cited indicator of low-income enrollment.

On a demographically-adjusted basis, Walnut Grove Elem performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 51.6%, the actual is 54.9%, a residual of +3.2 points.

Zooming out to the county, ACS estimates for Johnson County put median household income runs about $109,208, roughly 58% of adults have completed at least a four-year degree, and roughly 3% of residents live below the federal poverty line. Across Johnson County's 168 public schools (combined enrollment of about 93,598 students), Walnut Grove Elem is one campus in the mix.

The closest other public school is Heatherstone Elem, roughly 0.7 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius. Ranking that nearby cluster on reported proficiency puts Walnut Grove Elem at 4th of 9; the average score across the group is 48.1%.

The campus sits in a suburban setting.

Trend over the last 7 years. Over the past 7-year window, the student count edged up 4%: 378 students in 2018 compared to 394 in 2025. Over the same period, the White share decreased from 67% to 62%.

Within the allk12 community for this school, posts here usually surface around sports schedules, lunch menu changes, and school spirit week. Posting is open to anyone connected to the school.