SCHOOL TEXTBOOKS. NONPUBLIC SCHOOLS. LEGISLATIVE CONSTITUTIONAL AMENDMENT. Authorizes Legislature to provide that textbooks available to pupils attending public schools may be loaned on library-type basis to pupils entitled to attend public schools but who attend nonpublic schools which do not exclude pupils from enrollment because of race or color. Specifies that authorizing a textbook loan program shall not be construed as authorizing provision of instructional materials other than textbooks; that appropriations for the textbook loan program shall not be made from funds budgeted for support of public schools; and that so providing textbooks is not an appropriation for school support. Summary of Legislative Analyst\u27s estimate of net sta...