Mahaffie Elem

Set in Olathe, Kansas, Mahaffie Elem is a mid-tier elementary campus, one of the schools within Olathe. It teaches 449 students across grades pre-K through 5. That puts it 43% bigger than the typical public school in Kansas, which averages around 313 students.

Olathe runs 52 schools in total, collectively educating 28,194 students. Mahaffie Elem is one of those campuses.

On demographics, Mahaffie Elem lists that 57% of the student body identifies as White. The remainder is composed of 22% Hispanic, 9% multiracial, 7% Black, 3% Asian. That is considerably less White than the county at large, where the share is closer to 79%.

On the income-and-resources front, On paper, Mahaffie Elem has 31 full-time-equivalent teachers, translating to a class-load average of around 14.4:1. Statewide, the average ratio sits near 13.2:1, putting Mahaffie Elem higher than the state norm the norm. About 44% of enrolled students meet the income threshold for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. By comparison, Johnson County runs at roughly 27%, so the school's eligibility rate is above the surrounding baseline.

After controlling for student poverty, Mahaffie Elem sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 41.3%; this one delivers 44.0%.

In the area at large, census data for Johnson County shows median household earnings sit near $109,208, roughly 58% of adults have completed at least a four-year degree, and the poverty rate sits near 3%. Across Johnson County's 168 public schools (combined enrollment of about 93,598 students), Mahaffie Elem is one campus in the mix.

Nearest neighbor: Washington Elem, around 0.5 miles off. Within five miles, there are 8 other public schools. Among the 7 schools in that immediate cluster with test data (this one included), Mahaffie Elem ranks 3rd on composite proficiency, higher than the local average of 38.9%.

The campus sits in an outer-ring setting.

Five-year trend. Over the past 7-year window, the student count climbed 10%: 408 students in 2018 compared to 449 in 2025. The Hispanic share of enrollment increased from 14% to 22% over that span. The student-to-teacher ratio tightened from 15.8:1 in 2018 to 14.4:1 today.

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