This dataset shows school admissions, number of places offered for a given intake year at each school at annual National Offer Day (01 March - Secondary, and 16 April - Primary/Junior - these dates may vary slightly if occuring on a weekend).
The dataset shows:
the total number of school places offered by preference (1 to 4) for each school
the school's Pupil Admission Number (PAN), the maximum number of places available at the school for the intake year
the total number of remaining free places, which is school places left after National Offer Day (that is, the school's PAN minus the total number of offers).