A selection of online sites for teaching in Spanish.

American Association of Teachers of Spanish and Portuguese
Has a section on resources & activities that are classroom ready.

Spanish4Teachers
Website designed for Spanish language teachers. Offers free teaching resources, lesson plans, worksheets & more.

Teachers.net
Offers a discussion/chat board for Spanish teachers.

You can also search the Library Catalog for resources by trying these subjects:

Spanish language -- Study and teaching (Elementary)

Spanish language -- Readers

Spanish literature -- Study and teaching (Elementary)