A feasibility study for a high-end performing arts center at Lagunitas School is underway, with community meetings held by an architecture firm soon identifying local priorities and goals. Having a dedicated space for students to participate in plays and musical performances and learn about technology is paramount, district officials say. Last month, trustees hired the Berkeley-based architecture firm Noll & Tam to study the feasibility of remodeling a 2,000-square-foot, single-story building on the lower campus…