Here is a rough timetable of things to do for RMT, in some sort of order.
Begin writing questions early.
Find someone to write power test or begin writing it.
Schedule an RMT meeting for around the end of September.
Ask for volunteers on email list at the beginning of the spring.
Ask Antone's (or whoever) about a box lunch deal for around 200 people, more or less - get a price from them and set a price to charge.
Send out an initial mailing to schools, announcing the date of the tournament.
Send out a mailing of registrations, and set a normal and late deadline. Stick to them.