Wootton Upper School has been evacuated after a bomb scare at 11am this morning.
Hundreds of students have all been sent home and school buses were called early to take them.
Police are currently searching the premises with sniffer dogs.
Many of the older students were sitting GCSE and A Level exams today and they are now worried about how they will complete them.
Bedfordshire police have confirmed they were called to a “security concern” at the school and a currently still investigating.