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Kansas school claims, numbers don’t match

Kansas school spending advocates make claims of exploding class sizes that aren’t reflected in enrollment and employment data.

Mill Creek Elementary class size claim from FacebookOn Facebook, an activist makes a claim that, if accurate, is alarming:

I walked with Paul Davis yesterday. I introduced him to Mrs. Scrutin. She teaches 4th grade at Mill Creek Elementary, here in Lenexa. She has seen class sizes explode from 16, to 23, now for the 2014-2015 school year 30.

I gathered data from the Kansas State Department of Education and created an interactive visualization. (I’m not making the visualization available just yet, as there are some data consistency issues I need to address, and I hope to receive data for additional years.)

Looking at data for Mill Creek Elementary in the Shawnee Mission School District, the number of certified employees and K-12 teachers at the school has been falling. In 2014 there were 21 K-12 teachers, down from 27 in 2009.

Enrollment, too, has been on the decline, from 443 students in 2009 to 368 in 2014. The pupil-teacher ratio in 2009 was 16.2. It reached 17.1 two years later, and in another two years it fell to 16.4, and rose to 17.9 for 2014.

Pupil-teacher ratio is not equivalent to class size. It is simply the number of pupils divided by the number of teachers. Class sizes could be larger or smaller, and may vary from room to room. Although the pupil-teacher ratio rose for Mill Creek Elementary, let’s place it in context. For a hypothetical school of 1,000 students, the change that Mill Creek experienced from 2009 to 2014 means going from 62 teachers to 56 teachers.

With Mill Creek’s pupil-teacher ratio remaining almost unchanged, how do class sizes “explode from 16, to 23, now for the 2014-2015 school year 30?”

I don’t have data for the 2014-2015 school year. But if class sizes are “exploding” at the same time the pupil-teacher ratio rose only slightly, what is the explanation?

Remember, K-12 teachers are not the only employees at this school. In 2009 there were also 31 certified employees in addition to K-12 teachers. That number is down to 24 for 2014. In terms of pupil-employee ratios, the change over this time has been from 14.3 pupils per certified employee to 15.3.

Mill Creek Elementary school data


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