The Portsmouth School Committee has approved a policy permitting school officials to administer chemical breath tests to random students at school dances or other extracurricular events.
David Croston, chairman of the school committee, told NBC 10 on Wednesday that officials intend to have the policy in place for the school's homecoming dance on Saturday.
Under the policy, Students attending an event would be required to draw a ticket at random to determine which ones are given chemical breath tests.
Students who refuse to draw a ticket would be sent home.
As a reward, those students who are selected for chemical breath tests would be entered into a raffle.
Croston told NBC 10 that assistant principals have been trained how to use the tests and will administer them.