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What is average daily membership?

What is an ADM? When talking about education and education data in Pennsylvania, the term “ADM” is often used…but what does it mean? ADM stands for Average Daily Membership.

Average daily membership is the term used to define the number of students for which a school district is financially responsible. Charter school students and other students for which a school district pays tuition are included in the school district’s ADM count along with students who attended the school district for any portion of the year (which is why ADM count has several decimal places!).

As a result, a school district’s ADM count is generally larger than its enrollment (which is a snapshot-in-time look at the number of students in the school district on a specific day). ADMs are frequently used in education funding formulas and also to break down costs and other metrics on a per-student basis. 

Click on the image link below to open our interactive graphic of average daily membership in Pennsylvania.

Across the state, the total ADMs for the 2016-17 fiscal year were 1,704,585, while the 2016-17 enrollment was 1,578,459. Using a specific school district as an example, Bermudian Springs School District had 2,056.65 ADMs for 2016-17, while its enrollment for 2016-17 was 1,991 students. 

Click on the image below to explore individual school districts in our interactive map.
  • Each of our maps illustrate data relevant to the topic of the day for each school district. You can find the map legend at the top left of your screen after opening the map. 
  • Hover over any school district with your mouse to open a pop-up label providing information associated with that school district.
  • You can filter school districts by locale type (urban, suburban, town, or rural), by intermediate unit, and occasionally by other factors as well.