Schools of California Online Resources for Education
Score: Mt. Carmel High School: In Praise of Political Parties
Wonderful group lesson from Mt. Carmel High School that lets your learners select a political party and do research and an oral presentation on that party.
Costa Rica Information Center
Asi Funciona Nuestra Democracia Partidos Politicos
This page contains a brief section (5 or so paragraphs) of information about the political party system in Costa Rica.