← Back to Events Lake Washington High School October 2021 Philharmonia Retreat at Lake Washington High School October 9, 2021 @ 9:00 am - 12:00 pm|Recurring Event (See all)One event on January 22, 2022 at 9:00 am Lake Washington High School Find out more » Flute Choir Retreat at Lake Washington High School October 23, 2021 @ 10:00 am - 12:00 pm|Recurring Event (See all)One event on January 29, 2022 at 10:00 am Lake Washington High School Find out more » February 2022 Flute Choir Retreat at Lake WA High School February 12, 2022 @ 10:00 am - 12:00 pm Lake Washington High School Find out more » + Export Events