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Most states did not show a noteworthy increase, so I don’t think the CA increase is primarily a common app issue. </p>
<p>I think ucbalumnus’s explanation about the tuition increase at UC (roughly doubled during this period) is reasonable. This fits with some of the largest changes occurring with nearby state schools. For example, U Oregon increased from 302 CA students in 2000 to 1122 in 2010… a larger increase than any of the private schools mentioned in my earlier post, both in percentage and total number.</p>
<p>Many UC schools show a notable change in the relative admit rate of in-state vs out-of-state and internationals during this period. This change may relate to efforts to increase the number of higher tuition students (out-if-state and international). For example,</p>
<p>UCLA Admit Rates in 2000 : 31% instate, 20% out of state, 14% international
UCLA Admit Rates in 2010 : 21% instate, 30% out of state, 31% international</p>