civic educational St. Mark's Episcopal School Houston, TX St. John's School Athletic Center Houston, TX University of St. Thomas Science Building Houston, TX Lower School, The Kinkaid School Houston, TX The Presbyterian School Houston, TX The Children's Museum Houston, TX healthcare   historic religious Working with schools is an important focus of Merriman Holt Architects. Over the past ten years MHA has designed eight primary, elementary, high school and university projects with a construction value of over $50 million. Current and past clients include Rice University, the University of St. Thomas, Sam Houston State University, St. John's School, The Kinkaid School, Houston Christian High School, St. Mark's Episcopal School, The Presbyterian School and Grace School.