Answer:
270 students per school district.
Explanation:
Given :At the museum, there were 4,050 students in attendance from a total of 15 school districts.
To Find : What was the average attendance from each school district.
Solution :
Students from 15 school districts = 4050
Students from 1 school district =

=

Hence the average attendance from each school district is 270 students per school district.