Does hialeah high school has lockers?

They vary, but I think most high school lockers are big enough to put some stuff

yes,all high schools have lockers.That only deppends on the principalactually no, my high school has no lockers because kids were hiding and selling drugs in them.

So that students can store their backpacks and books during the day....

Yes. In the majority of high schools there are lockers. Different schools have different sizes but most do have lockers.But some schools do not have lockers like my school we have to carry our books...

If you have p.e. or are on a sports team then yes if not then no