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Projected Enrollments from 2007 to 2017 Pleasanton Unified School District <br />These collective groups have different expected evolutions in K-2, but the aggregate indication is for <br />either stable or slowly declining kindergartens in all of the built-before-2003 housing.13 The non-duet <br />ATT units, while adding students overall as the larger totals now in K-2 graduate into the other grades, <br />probably will not have much further K-2 growth. These units also provide only 14% of the current <br />enrollment, so an additional 1 % to 3% rise in K-2 would be less of a factor than comparable percentage <br />reductions in some of the other groups. The "Modest & Moderate SFD", "Traditional Middle Income <br />SFD", "Modern SFD" and "Duet" categories, which together provide 33% of the current total, should <br />have some ongoing growth in K-2, but that may be insufficient to offset the declines from the more <br />expensive SFD homes. The latter ("Traditional Upper Middle Income" through "Highest Income") <br />contribute 38% of the current enrollment, which is the largest share among these collective groups. <br />There are two remaining categories of real consequence to the district: new housing and inter-district <br />enrollment, each of which contributed to the recent enrollment growth (see final page of Table 4). The <br />planning areas with new residences provided 612 additional students in the last three years. While the <br />largest gain was in the high school grades (208), there was significant growth in the other grades as <br />well (including by 132 students in K-2).14 New housing, however, as you will read later in this report, will <br />not be as significant of an enrollment contributor in the next few years. <br />The final key category deals with incoming inter-district students. As was noted earlier (see bottom of <br />page 1), shifts in that population have little to do with demographic trends; they are instead principally <br />the result of decisions made by the district each year, such as to fill available classroom space in <br />particular grades at a couple of schools. Your district added 35 high school students and 50 students <br />total in this category in just the last three years (and another 24, for 74 total, since 2003). Could you <br />maintain or increase the kindergarten enrollment in future years by adding more inter-district students? <br />The answer is probably yes, considering how desirable your schools are perceived to be. More inter- <br />district students were allowed in both kindergarten and first grade this year than at any other time in the <br />last decade.15 This is despite the already significant within-district totals now in those grades. <br />Comparison of Local Birth Counts to Corresponding Kindergarten Populations <br />We excluded birth data from our previous Pleasanton USD studies because (1) the figures from the <br />Alameda County health department, while being at the more localized census tract level, also had <br />questionable variations, and (2) the zip code counts assembled by the State cover much larger areas <br />that included too much new housing during the intervening years to be useful. The latter issue, <br />however, has become less significant since 2000. There has been a slowdown in new construction <br />since the late 1990s, with well below 200 units annually rather than the earlier pace of over 300 per <br />year. That shift is now far enough into the past to justify a review of the births-to-kindergarten <br />correlation by Pleasanton zip codes.16 This comparison is provided in the new Table 5 on page 18. <br />13 These stable or slowly declining kindergarten amounts, however, are in relation to the current higher-than- <br />projected total, which still results in more future kindergartners than previously forecast. <br />14 The totals shown for the highest grade group are in 9-12, rather than 9-11, on the final page of Table 4. The <br />reason is that these residual subjects are less suitable for the three-grades-over-three-years comparison. <br />15 These highest kindergarten and first grade inter-district amounts are from October 1996 to 2007 student files. <br />The children of district staff may be a factor in these rising inter-district figures. <br />'s We have used many birth data sources over the years and have found that these zip code counts have the <br />best track record in terms of the correlation between births and corresponding (five years later) kindergartens. <br />Enrol/ment Projection Consultants Page 16 <br />