The estimates in this publication are key statistics reported early in the school year and include the number of students in membership, teachers, and high school graduates and the total revenues and expenditures for the operation of public elementary and secondary schools. These estimates are either preliminary actual counts for individual states, estimates derived by the states for the National Center for Education Statistics (NCES), or imputed values developed by NCES using a combination of state-specific and national data. Early estimates for private schools are included in this report. The highlights of the report include the following estimates for the 1989-90 school year: (1) total student membership in all the Nation's Schools (public and private) is estimated to be 46 million students; (2) 2.7 million students will graduate from high school (3) there are 2.4 public school teachers and (4) the cost of public education is $4,448 per student. (AA)