Education. Colorado. Private Department of Education to hold hearing on proposed rules or nonpublic schools. Colorado school groups oppose federal tax credit for private school tuition. 1974 RMV Ap 12, 1978 p.8 Private schools grow as Denver Public Schools enrollment falls for 14th straight year. RMBJ S 2, 1981 p.1 Some private schools fight rules to provide "comparable" education to students. RMBJ S 9, 1981 p.1,12 rocky mountain business journal Post S 8, 1974 p.17