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Zonda forecast predicts about 585-student growth for Alvin ISD over 10 years
Summary
Zonda Demographics told the Alvin ISD board that, based on fourth-quarter data, the district could add about 585 students over the next decade and reach roughly 36,000 students in 10 years, with some campuses already at or above capacity.
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Rocky Gardner of Zonda Demographics told the Alvin ISD Board that his fourth-quarter dataset (data through December) shows continued housing activity in the Houston market that will drive student enrollment in the district.
"I'm forecasting 585 students" in the 10-year horizon, Gardner said, and projected the district could have just over 33,000 students in five years and about 36,000 in 10 years. He told trustees the projection reflects both turnover in existing housing and new housing starts, and cautioned that cohort yields have slipped recently — from about 0.53 two years ago to roughly 0.31 now.
Gardner described how the forecast ties to housing trends: Houston is adding tens of thousands of homes annually, Alvin recorded roughly 1,568 closings in the last year, and the district has thousands of vacant developed lots (VDLs) that can convert to homes. He said VDLs rose in the fourth quarter as some 'futures' were delivered to ready lots, and highlighted areas with concentrated building activity such as Bennett, Foxtail Palms, Laurel Landing and Valencia.
Board members pressed Gardner for clarification about the dataset and comparisons with neighboring districts. Gardner said the slides use fourth-quarter records and county appraisal deed transactions and that some neighboring districts (Lamar Consolidated and Conroe) were on the ranking charts but that Zonda does not provide client-level forecasts for Conroe. He recommended follow-up if trustees wanted deeper inter-district comparisons or campus-level capacity modeling.
The presentation flagged capacity pressure at several campuses, particularly at the junior-high and high-school levels, and noted the district’s long-term target yield of about 0.5 students per home remains a useful planning assumption despite recent cohort changes. Gardner said enrollment projections will be updated as new quarterly data arrive and recommended monitoring starts, closings and VDL conversions over the summer months.
Next steps recorded by the board included staff follow-up on campus capacity and potential requests for a more detailed comparative analysis with neighboring districts. The board did not take a formal vote on the presentation itself.

