Czech language courses are offered by several non-governmental organizations - some of these courses are cofunded by Ministry of Labor and Social Affairs and by Ministry of Education - information can be found at www.cizinci.cz

One of NGOs offering Czech language courses for foreigners is Center for Integration of Foreigners. The courses are offered in Prague, Ceske Budejovice, Plzen and Karlovy Vary. More information can be downloaded here.

Another option can be State language school which also offers Czech language classes for foreingers. More info: Státní jazyková škola

Or you can find a list of commercial schools here: www.jazykovky.cz

Further, you can have a look at Association of teachers of Czech as foreign language: Asociaci učitelů češtiny jako cizího jazyka.