From the website:
San Francisco Unified School District SFUSD is the seventh largest school district in California, educating around 49,000 students every year. San Francisco is both a city and a county therefore, SFUSD administers both the school district and the San Francisco County Office of Education COE . This makes SFUSD a single district county. function w,d,s,l,i w l w l w l .push 'gtm.start' new Date .getTime ,event 'gtm.js' var f d.getElementsByTagName s 0 , j d.createElement s ,dl l 'dataLayer' ' l ' l '' j.async true j.src 'https www.googletagmanager.com gtm.js id ' i dl f.parentNode.insertBefore j,f window,document,'script','dataLayer','GTM-P77CZZ6'