The United States Census Bureau conducts an Annual Surv ey of Government Finances as authorized by law under Title 13, United States Code, Section 182.  The 2006 survey,  similar to other annual surveys and censuses of governments conducted for many years, covers the entire range of government  finance activities--revenue, expenditure, debt, and assets (cas h and security holdings.) This report contains financial statistic s relating to public elementary-secondary education.  It includes national and state financial aggregates and display data for each pub lic school system with an enrollment of 10,000 or more.