The School was founded in 1944. The school year comprises 2 semesters extending from beginning of February to the end of June and from the middle of July to the beginning of December and is designed to accommodate students throughout the year. The School is incorporated and tax-exempt in Costa Rica. Lincoln School offers a typical U.S. college-preparatory program and also prepares students for the Costa Rica Bachillerato diploma. As of 1996, the School offers the International Baccalaureate Diploma.
Instruction is in English with Spanish taught as a first or second language.
Programs are available for students with certain special needs. The School is accredited by the Costa Rican Ministry of Education, the Southern Association of Colleges and Schools, and the International Baccalaureate Organization. In the 1998 school year, approximately 99 percent of the School's income derives from regular day school tuition. Matriculation costs, bus, lunch, texts fees, etc., are extra. Proper environment for personal fulfillment.