April 08, 2013, 01:09:15 pm
Information on the content and specifications of the Educational editions can be found here: http://lumion3d.com/educational-specifications/
That information might be useful for your teacher, to quote:
Material library: 518 materials
â€¢459 stock materials
â€¢50 terrain materials
â€¢9 customizable material types (water, glass, billboard, lightmap etc.)
Materials can also be adjusted to provide different final render looks through adjusting bump scale, reflection amounts, brightness etc.