Klein and Cy-Fair ISDs each experienced about a 2% decline in enrollment in 2020-21 over the previous school year, while Spring ISD experienced about a 5% decline. District officials largely attribute the drops in enrollment to the COVID-19 pandemic. Between the 2017-18 and 2020-21 school years, enrollment dropped by about 0.5%, 7% and 1% in Klein, Spring and Cy-Fair ISDs, respectively. See how the districts' demographics compare to students statewide. On average, KISD teachers earned an annual salary of $61,639, SISD teachers earned an annual salary of $62,929 and CFISD teachers earned an annual salary of $62,727.