Our son is in his third year at Sage, and although he started in first (not K) I can say that he has had a wonderful experience. As a parent it was greatly heartening to see him surrounded by other childrens with high curiousity, imagination and drive to learn. The classes are very small, the teachers all possess Masters Degrees and all teachers understand and value working with gifted children. The kids end up with a wonderful education that prevents them from becoming too narrowly focused on single areas of interest and expands their knowledge base into new areas of learning.
I echo the other comment -- go and visit. You can only learn about a place from actually experiencing it.
