It is best, especially when the graduating classes are large, and each graduate is to be invited, for several parents to share the work and expense of graduation parties, but the good news is, these parties require little supervision and are best held outside. Other options for graduation party locations are: Outdoor pools (where it is warm enough, or indoor pools, where it is not) skating rink rentals, or teen clubs rented for the evening.
Make invitations that look like diplomas, spe...