Collecting macroeconomic data in the education sector is currently a dreadful experience.
For example, my team and I recently calculated the number of traditional, charter, and private schools opened and closed in four major U.S. cities during a specific period of time to show whether poor-performing schools are closing and new schools are opening to serve students. It was oddly difficult to know with certainty how many schools opened and closed in each city, to say nothing of gathering more sophisticated data such as annual expansions and contractions in enrollment and the labor force.
So I was thrilled to see the U.S. Bureau of Labor Statistics (BLS) aiming their analytic heft at the education sector with a report released last month entitled “Labor productivity growth in elementary and secondary school services: 1989–2012.” According to the report, “Labor productivity is a statistical measure that relates an industry’s output of services to the quantity of labor required to produce those services.” In other words, it answers the question of whether the juice is worth the squeeze.
In this case, we’re talking about teachers and other school employees in K-12 public and private schools, such as librarians, guidance counselors, administrators, and student support staff. Inputs are measured using a combination of number of full-time equivalent employees and cost from salaries and benefits. Outputs are measured using a combination of enrollment (volume) and NAEP scores (quality).
Productivity data are important because they tell us how efficiently we are delivering education services. When combined with data on demographic shifts and practice and policy reforms, especially related to teacher preparation and hiring, we can see what’s working and at what expense.
The biggest finding is that even though inputs and outputs have both increased steadily, labor productivity has declined by 0.2 percent per year, on average, since 1989. What you see in the chart above is that productivity declines when inputs score higher on the index than outputs.
The report provokes many questions for me. Does the decline in productivity map to major education policies at the federal or state level? What’s the influence of broader economic trends on the K-12 labor force? Why didn’t private schools shrink their workforce at a rate commensurate to their enrollment decline?
The findings are interesting, and I plan to keep digging into them, but the more important message from the BLS is that they’re starting to aim their analytic expertise to the education sector, which they’ve all but ignored to this point. The report states, “The new measures reflect BLS commitment to expand its coverage of service industries, including those industries for which developing reliable series presents a significant challenge.”
Macroeconomic data like these are becoming more and more important for the U.S. education sector, especially in cities where charter school market share is on the rise, private schools educate a significant proportion of students, and districts enter into charter-like contracts with their schools. Understanding the market and labor dynamics within a city’s schools is critical to understanding what’s working, what regulations need to be in place, and which areas to target for improvement.
The private sector benefits from robust government reporting such as the BLS’s Business Employment Dynamics and U.S. Census Bureau’s Business Dynamics Statistics programs which collect, organize, and analyze critical market dynamic data. Education sector leaders will need similar data sets in order to make informed decisions. To do that, the BLS and other government agencies will have to collect and report data that can be further disaggregated by school type (district, charter, private, homeschool) and location (city, metropolitan statistical area, state).
If the labor productivity report is any indicator, they’re on the right path.
July 20, 2016
The First BLS Study of Labor Productivity in K-12 Education & Why It’s Important
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