Guidepost Montessori held its grand opening ceremony Nov. 4 at 2550 Timber Ridge Drive, Frisco. Under prior ownership, the Montessori school used to be called Timber Ridge Montessori, but new management took over the business in June. The Montessori school offers programs for children ages 9 weeks to 6 years old. 469-458-7200. www.timberridge.guidepostmontessori.com