In addition to Ted's information here.......... a consortium of five universities; Universiity of Montana / Montana State Univeristy / Colorado State University / Portland State University & University of Northern Colorado, all are offering a Ed.D. in Curriculum & Instruction based degree with an emphansis on either Mathematic & Education and/or Science & Education. http://www.cltw.org/partners.htm The program is about 50 semester hours above the master's level, the tuition is fixed for those admitted into the program...which you will considered a "fellow" (tuition paid for except for the 14 sem hrs for dissertation). Science and Math content area courses (3 hours ea.) range anywhere from $300 - 900 per course (not per hour) and Educational courses (3 hours ea.)are fixed rate around $1089 per course. * Dissertation hours are subject to normal graduate tuition costs, especially depending if you are either in-state or out-of-state.