Information about the educational systems of Bolivia, Brazil, Paraguay, and Uruguay that may be helpful to U.S. college admission officers is presented. For each of the four countries, information is provided on: country facts, the educational system, primary and secondary education, higher education, other institutions, placement recommendations, educational terms, and useful references. For Bolivia and Uruguay, information is also presented on teacher training, and for Brazil, information is included on Segundo Grau certificates and diplomas, English language instruction, evaluation analysis and quality factors, and characteristics of the higher education institutions (location, type, year founded, and supporting agency). Additionally, the following tests generally required for admitting foreign students are briefly described: American Language Institute of Georgetown University, test of English as a second language, examinations of the Educational Commission for Foreign Medical Graduates, the Graduate Management Admissions Test, the Graduate Record Examinations, the Michigan Test of English Language Proficiency, the Scholastic Aptitude Test, and the Test of English as a Foreign Language. Recommended level of English proficiency for study in the United States are also identified. A description of the workshop from which this guide was developed, written by Hugh M. Jenkins, is appended. (SW)