This report presents findings on the numbers and types of public elementary and secondary schools in the United States and other jurisdictions in the 2005-06 school year, using data from the Public Elementary/Secondary School Universe Survey of the Common Core of Data (CCD) survey system. Data are presented on: (1) the number of operating public elementary/secondary schools; (2) number of schools of each type; (3) number of students enrolled in each type of school; (4) average student/teacher ratio; (5) average school size; (6) location of schools; and (7) percentage of students eligible for free or reduced-price lunch, by locale type. The following are appended: (1) Methodology and Technical Notes; and (2) Common Core of Data Glossary. (Contains 3 notes and 7 tables.)