Functional Capacity and the 90% Rule

By Cynthia Richardson posted 06-15-2011 11:34 AM

  
In recent months the question of how Functional Capacity is calculated has been discussed by School Board members and Government Officals.  In particular the question of the "90% rule" has come to light.

By definition, the 90% rule is applied to the functional capacity because not all classrooms can be used every period of the day.  A board member asked why 90%, where did that number come from?  I frankly was at a loss so I called Sue Robertson.  She stated that she was not quite sure where the number came from.  In the past, she had asked several other members where the number came from and they were not sure either.  She state that the number that is applied to the final funcitonal capacity number ranges from 80% to 85% and she stated I was being generous  in using 90%.

Now, I am asking the membership, where did this number, be it 80% to 90%, come from?  I would love to hear from the rest of the membership.  In addition, I would like to know how you calculate functional capacity.

Thanks so much for your help.

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08-05-2011 03:38 PM

From a discussion many years ago,I remember being told that if a 7-period day was used, and a teacher had one planning period per day, then the room utiization was 6/7, or 85%. Theoretically, if teachers had planning room home-bases with desks, personal storage, etc., then classrooms could be used 100% of the time. But turf-issues seem to dominate public K-12 schools, so the teacher ends up "owning" a room, which becomes the planning area one period per day.
I have never used 90%,si I have no history on that.