La Suerte and Ometepe Biological Field Stations - http://www.lasuerte.org/ Opportunity to study abroad at field stations in Costa Rica and Nicaragua. Includes course and current research project information, and species list.
Maya Educational Foundation - http://www.mayaedufound.org/ US-based nonprofit that supports scholarships for Maya children and adults in Central America and southern Mexico. Describes projects and how to donate. [English/Spanish]
