In 1975, from the 321 public high schools, there were 42,975 graduates, or 68.4% of the 62,822 ninth grade enrollment in 1971-72. From the 59 non-public high schools, there were 3,277 graduates, or 83.4% of the 3,930 ninth grade enrollment in 1971-72. This report provides data on the holding power and graduates of Kentucky public and non-public high schools. An overview of the growth from 1963 to 1975 is presented along with a comparison of the 1975 class with the 1963 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 number and size of public and non-public school graduating classes in 1962-63 as compared with the current year, 1974-75; the 10 graduating classes of public, non-public, and combined high schools from 1966 to 1975; the number and whereabouts of 1975 graduates of all public and non-public high schools by region, county, and school district; the total ninth grade enrollment, all public and non-public graduates, and total graduates to college by county and region; the survival rates and whereabouts of public and non-public school graduates for 10 graduating classes, 1966-75 inclusive; and the growth of the total secondary program in Kentucky, all high schools combined. (NQ)