In 1973, from the 291 public high schools, there were 40,956 graduates, or 70% of the 58,544 ninth grade enrollment in 1969-70. From the 46 non-public high schools, there were 3,481 graduates, or 71.5% of the 4,870 ninth grade enrollment in 1969-70. This report provides data on the holding power and graduates of Kentucky public and non-public high schools. An overview of the growth from 1961 to 1973 is presented along with a comparison of the 1973 class with the 1961 class. Data were obtained from: the principal's annual report, the superintendent's end-of-year report, and the Bureau of Instruction annual publication "Kentucky High Schools". Tabular data are presented on: the rapid growth of secondary education in the 1960's; the number and size of public and non-public school graduating classes in 1960-61 as compared with the current year, 1972-73 the 10 graduating classes of public, non-public, and combined high schools from 1964 to 1973; the 1961 public high school graduates compared to the 1973 graduates by age, sex, and type of school district; the number and whereabouts of 1973 graduates of all public and non-public high schools, separately and combined; and the total ninth grade enrollment, all public and non-public graduates, and total graduates to college. (NQ)