As four local public schools go on their spring breaks next week, the Tampa Bay Times reported that passes to the park are completely sold out from March 13-19. Although availability will slightly increase at the end of the local spring break period, entrance to the park will remain limited over the coming weeks. At least one of the four Disney parks is already sold out through early April. Magic Kingdom and Disney's Hollywood Studios are the most popular bookings, according to Disney Tourist Blog. Open availability for all four Walt Disney World parks is not available until April 11. Guests walk past the the Slinky Dog Dash roller coaster at Disney's Hollywood Studios