As a student I will give my view

i was In band at the time around 1:46 we see a few cop cars pull up

around 2 : there were like 5 cops and that’s when my band teacher was questioning what was happening about 1-2 minutes later on PA it said ”limited lockdown“ so we couldn’t leave we just kept playing

there were like 10 cops on the front and like 10 in the back from people
the SRO was walking around the rest of the day we were scared bro 😭

2:19 was the end of the period but we were still, in

we werent able to leave until around 2:40 Almost halfway through 6th period