(hope this is helpful)
so maybe try this:
INT. BLUE SCHOOL HALLWAY - DAY
(Dialogue and stuff here)
@transition fade out black 3
INT. BLACK - DAY
(and then stuff here)
or:
INT. BLUE SCHOOL HALLWAY DAY
(Dialogue and stuff here)
@transition fade out black 3
INT. BLACK - DAY
@transition fade in black 3
(and then stuff here)