CAD Software for High Schools

Architosh
http://www.architosh.com/
dedicated to Macintosh-based architects and related CAD/3D professionals worldwide

Ashlar Vellum cross-platform but expensive
DesignWorkshop Lite 1.8.5 Freeware tool for creating spatial models, images, and walkthroughs, from intitial sketches to polished presentations; Sys requirements PPC
MacDraft 5.0.5

widely used software program for architectural and engineering design & drafting and technical illustration; easy to use; powerful and cheap=$299US; Sys requirements: 680x0 or PPC, System 7.5.1 or higher

form*Z

3D design software
award winning general purpose solid and surface modeller for professional and higher education users: architects, landscape architects, urban designers, engineers, animators and illustrators, industrial and interior designers

also suits novices users and senior high school students
Sys requirements: PPC

DenebaCAD easy-to-use, and cost-effective application; incorporates powerful 2D and 3D operations; has extensive multi-platform communications capabilities; $330US; Deneba Systems; Sys requirements PPC
ArchiCad 8.1 expensive building design software; demanding system requirements
VectorWorks formerly MiniCAD $529US; Sys requirements: PPC
CADintosh 4.4 2D CAD program for technical and architectural drawings; can handle up to 1024 layers, 32,000 groups, and a number of elements limited only by available memory. The new version adds hybrid mode (import of TIFFs for tracing), improved DXF import, improved printing on Mac OS X, and other changes.
$32 for Mac OS X and Mac OS 7.5.3 and up (http://www.macintouch.com/newsrecent.shtml#math5). ;
Shareware, $60A;
Lemke Software; Sys requirements: 680x0 or PPC and Mac OSX
see also http://www.mirrors.ausmac.net/AusMac/auslist.cgi?location=Maths-Science-SW
not intuitive; difficult to use