Groups of academies working together have introduced effective new admission systems using fair banding, inner and other catchment areas and random allocation for oversubscribed ability bands.

One option would be random allocation of school places, to ensure that all schools had a genuinely comprehensive intake of students.

Lotteries were fast, but clearly a random allocation of licenses left much to be desired in terms of efficiency.

A true experiment with random allocation of subjects to conditions allows researchers to infer causal relationships between different aspects of behavior and the environment.

Students are assigned to the various wards through a system of random allocation.