Open Window School is designed for gifted children in grades K-8 who love to learn. Every child benefits from differentiated instruction that reflects current best practices in gifted education. OWS students thrive in an environment that nurtures and inspires academic excellence, creativity and personal accomplishment on a beautiful Bellevue campus atop Cougar Mountain. OWS also offers a five-week summer program providing engaging experiences designed to encourage creative and critical thinking, experimentation and discovery for kids in grades K-7. Sign up for a morning or afternoon session or combine them for a full-day experience.