Until 18 December 1998 Apple is offering one US$999 iMac to educational institutions from Kindergarten through 12th grade. The discounted iMac can be ordered by qualifying schools by calling 800-800-2775, 512-919-2992, or by contacting your Apple Education representative and requesting part number M6709LL/B.
On-site service is reportedly available for additional US$30 and set-up will set you back an additional US$60. Tip: If you have a 3 year old child at home you can yourself the extra US$60.