FOI Request - Impact of Strikes on Prelims

Request 101003220706 

In your local authorities Secondary schools who many prelim exams have been cancelled, postponed or rescheduled as a result of teacher strikes?

Can I get the following:
1. The number of schools where this has happened?
2. The number of prelims where this has happened?
3. The number of pupils affected?

Response 09-03-2023

1. 7
2. 42
3. 1086