Private middle school admission chance

My son is applying into 6th grade in Seattle area. Please help me evaluate his chances of admit in -
Lakeside, Overlake and Eastside Prep?
SSAT - 96% percentile; v-98; Q-93; R-89
Good student with great teacher recommendations
Frisbee - 2-3 years.
Basketball - 1 year
Piano - 3-4 years
Interested in arts - visual
Doesn’t interview well though.

TIA

Hi,

Your son has outstanding SSAT scores! Can you give more details about awards and commitment (hrs/week) in his extracurriculars? What about his grades, essays, current school competitiveness, demographics, etc?