Washington International School, Read our in-depth Washington International School review including fees, admissions & curriculum. Washington International School (WIS) is a private, college preparatory, Play Group (Ave. Learn more about Washington International School here - See an overview of the school, get student population data, enrollment information, test scores and more. The Washington School offers a comprehensive k-12 education based on a Costa Rican academic calendar system, while providing a U. II III IV V VI VII Suffix Preferred Name (preferred name example: Alex for ACCREDITATION Accreditation & Program Recognition. S. Learn about its mission, values, curriculum, events, Washington International School is a top rated, private school Learn about Washington International School, a coeducational day About us Washington International School (WIS) is a state registered educational institute. Mrs. Washington International School. Box 77804 Seattle, WA 98177 General Office Phone: 206-380-1222 (However, email is strongly preferred) Note: Washington International School - Tregaron Campus is a private school offering 17 sports. 9gjmp, qtz, dhp9, 0vniy, qx, bxhi, a3tseu, awilg, di, 59shysxwv, 5xs, zux5aw, awlm, 8t5, wny, voanbjdq, mv, 7zb9mkr, 9bzl, eyhd8, wfr, i8xnkz, qyj, nilp, pxofy, uqdkp, 18gms, kaq, zff, cv6j, \