It was another late night at Lagunitas School last week after teachers, parents and administrators continued the discussion about a potential merger between the Montessori and Open Classroom programs—an idea that now has support from most district teachers. Last month, Montessori parents crafted a letter to Open Classroom parents and teachers, saying they were not interested in an outright merger but expressing interest in working together to craft a new program. The Open Classroom’s response,…