Hi Bill, Henry C. Hall Middle School in Corte Madera was named for Henry Clay Hall. He was principal and teacher of Larkspur-Corte Madera school, having come there in 1907. He was superintendent for many years.
He was born in Mariposa Co., CA where he appears on the 1860 census at age 1 with his mother, Ellen. The family moved and in 1870 was located in San Mateo County, CA: Joshua A. Hall, 50, farmer, VA; Ellen D., 42, kp house, Ireland; Mary A., 13, CA; Henry K. (sic), 11, CA; George W., 9, CA.