Meet our amazing faculty!

An outstanding international faculty, including professionals from 11 different countries including Costa Rica, Chile, England, France, Puerto Rico, New Zeland, Spain, USA, and Venezuela. All faculty are certified in Montessori or IB, and have an average of 7 years of teaching experience. Five of our faculty possess either PhD or double masters degrees, 60% of possess a master’s degree, and 90% of our faculty are bilingual. The faculty to student ratio is 1:8, and the average classroom size is 20. The faculty are supported by two senior administrators (Head of School and Associate Head of School), two Curriculum Coordinators (Montessori and IB), a School Counselor, a Business Manager, and office and maintenance staff of four. 

To learn more about our amazing faculty, visit our Lower School Montessori Team (1.8 – 6 years old), and our Upper School & IB Team (7-18 years old)

Lower School Montessori Team

Efraín Avilés Teacher Assistant Costa Rica

Michelle Castro Teacher Assistant Costa Rica

Keren Espinoza Physical Education Costa Rica

Annabeth Jensen Curriculum Coord. United States

Matilde Jirón Teacher Assistant Costa Rica

Alejandra Lahsen Casa Chile & New Zeland

Ana M. Mayorga Teacher Assistant Costa Rica

Mariela Montero Toddler Costa Rica

Carolina Sánchez Casa Costa Rica

Upper School IB Team

Anabelle Álvarez
Spanish Humanities
Costa Rica & USA

Javier Amador
Languages
Costa Rica & USA

María Cáceres
Art
Venezuela

Esmeralda Castro
Science
Costa Rica

Emily Dittmann
English Humanities
United States

Lissa Eidelman
Science
United States

Keren Espinoza
Physical Education
Costa Rica

Richard Jewkes
Communications
United States

Jan Krieger
English Humanities
United States

Stephanie Londono
Languages
United States

Mónica Marín
Spanish Humanities
Chile

Roberto Quirós
Math & Science
Costa Rica

Bill Sebring
Math 
United States

Genevive Sehr
Curriculum Coord.
United States

Carla Uribe
Math & Science
Spain