GreatSchools: What preschool do you think is great in Grass Valley? Why? http://community.greatschools.net/q-and-a/location/California/Grass-Valley/What-preschool-do-you-think-is-great-in-Grass-Valley GreatSchools en-us Re: What preschool do you think is great in Grass Valley? Why? 02mommyagain Union Hill... At Union Hill Elementary School...They are great. Union hill Has everything from baby to 8th grade. My daughter loves it. Preschool at Union Hill is wonderful, its part ... http://community.greatschools.net/q-and-a/location/California/Grass-Valley/What-preschool-do-you-think-is-great-in-Grass-Valley?cpage=1#comment_307334 5100.307334 Thu, 18 Dec 2008 09:40:47 -0800