Harvard Avenue School has developed out of our sincere love for children and our deep desire to offer the very best Waddler, Toddler, Jr. Preschool, Preschool and Pre-kindergarten education possible in Seattle.   Waddler, Toddler, Preschool, and Pre-Kindergarten classes are offered at our Capitol Hill campus.  Our Madison Valley campus hosts Jr. Preschool, Preschool, and Pre-kindergarten classes