solar panel measurements

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What would the cost of solar panels be for a school ?

i have four building of a school that could be covered with solar panels
the measurements are :

Main Building:                    2948 m2
Maintenance Area:             184m2
Sports Hall                          614 m2
DTF                                     607 m2

If you have a quote of the cost please answer as i have to go to the school board to see if we can get them

We have a 25 KW system. It covers an area 25m x 36m (900m2). It cost $100.000. It produces $4000 per year. It’s not a profitable investment, actually. We use it for publicity. Go green, alternative energy, save Earth, you know.

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