San Francisco Ballet 150 students are chosen by audition to dance in the yearly SF Ballet production of "Nutcracker". The most advanced students may also dance with SF Ballet in the repertory season. The school also runs a pre-ballet program for children ages 4–7; after completing the program, students of age who wish to continue study must audition in order to continue at the school. The faculty of the San Francisco Ballet School has long been known for its excellence and diversity of background. As of January 2017, it is led by the Artistic Director Helgi Tómasson and Associate Director Patrick Armand. The
San Mateo Creek (San Francisco Bay Area) San Mateo Creek (San Francisco Bay Area) San Mateo Creek ("Spanish for": St. Matthew Creek) is a perennial stream whose watershed includes Crystal Springs Reservoir, for which it is the only natural outlet after passing Crystal Springs Dam. After discovering San Francisco Bay from Sweeney Ridge on November 4, 1769, the Portolà expedition descended what Portolà called the "Cañada de San Francisco", now San Andreas Creek (or possibly San Mateo Creek), both of which emptied into the "Laguna Grande" where the party camped (now covered by the Upper Crystal Springs Reservoir). The Laguna Grande place name is also shown on