Mathnasium 4546 Klahanie Dr SE, Sammamish WA 98029 (425) 651-6558

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Schedule for Mathnasium of Klahanie

New Students Enrolled Students                         Parents









In Center Instruction Hours


Feb 28 - June 18, 2022

June 20 - Aug 27, 2022 Aug 29 - Dec 31, 2022
Sunday Closed Closed Closed
Monday 4:30pm-7:30pm 3:30pm-6:30pm 4:30pm-7:30pm
Tuesday 4:30pm-7:30pm 3:30pm-6:30pm 4:30pm-7:30pm
Wednesday 4:30pm-7:30pm 3:30pm-6:30pm 4:30pm-7:30pm
Thursday 4:30pm-7:30pm 3:30pm-6:30pm 4:30pm-7:30pm
Friday Closed Closed Closed
Saturday 9:30am-12:30pm 9:30am-12:30pm 4:30pm-7:30pm


@Home Instruction Hours

  Jan 1 - Dec 31, 2022
Sunday Closed
Monday 4pm-7pm
Tuesday 4pm-7pm
Wednesday 4pm-7pm
Thursday 4pm-7pm
Friday Closed
Saturday 9am-12pm




We will be Closed on the following holidays:

Holiday Day Date
Labor Day Monday Sept 6, 2021
Thanksgiving Holiday Thu-Sat Nov 25-27, 2021
Christmas Holiday Fri-Sat Dec 24-25, 2021
New Years Holiday Fri-Sat Dec 31, 2021-Jan 1, 2022
Memorial Day Monday May 30, 2022


Holidays We Are Open:
  • Martin Luther King Day
  • Presidents' Day
  • Columbus Day
  • Veterans' Day
Holidays We Are Closed:
  • New Years Eve and Day
  • Memorial Day
  • Independence Day
  • Labor Day
  • Thanksgiving Day and the Friday After
  • Christmas Eve and Day
*If you are scheduled during a center closure, please email or call (425) 651-6558 to sign up for an alternate day.

Please call: (425)651-6558, or email

Also available in your area, real-time face-to-face instruction over an internet connection.