Besides being a Realtor, I am also a long time resident of Lamorinda. I attended St. Perpetua private school from K-8 and then went on the Campolindo High School. Looking back on my experience, both St. Perpetua and Campolindo provided a great education, but at St. Perpetua I learned a lot about interacting with other peers and received a lot more one-on-one attention since our class size was only 30+ students. And actually the same 30+ students went from K all the way through 8th grade. I still keep in contact with a lot of them. And I am now on the School Board for St. Perpetua. Both experiences are positive ones. And more importantly, both areas are great communities to have your children grow up in. I am amazed that very few people ever move away from this area, once they are established here. And each year, more and more kids that grew up here, end up coming back to live here and start there own families. Lastly, as Magnru pointed out the Acalanes High School District is now #1 in California, so if you choose that route, you are getting the best in the state! Hope that helps.