The department collects information from each local authority on the number of schools, the number of places in those schools and the number of pupils on roll through the annual school capacity survey (SCAP).
The data is published annually. Data for May 2015 (relating to academic year 2014/15) can be found at:
As at May 2015, in Suffolk there were:
a) 59,140 primary school places b) 52,169 primary school age pupils on roll c) 329 primary pupils in excess of school capacity d) 7,300 unfilled primary school places.
School capacities are as reported by local authorities for all school types, based on their knowledge of each school.