Study: Perkiomen Valley enrollment projected to decline about 8–10% over 10 years under baseline scenarios

Perkiomen Valley School District officials heard an updated enrollment study from the Montgomery County Planning Commission on the district’s current population trends, housing activity and 10‑year enrollment projections.

The study, presented by Anne Liebeck Gruber and David Greenberg, used a cohort‑progression method that combines recent birth totals, current rosters, housing construction and sales data to model several scenarios. Gruber and Greenberg told the school board the district currently enrolls about 4,684 students and that, under the study’s baseline assumptions, total enrollment would fall to roughly 4,200–4,250 students in about 10 years — a decline in the neighborhood of 9–10 percent.

Why it matters: district leaders said the projections inform long‑range facility and program planning as the district considers grade‑level configurations and services for specialized learners. The study found that adding full‑day kindergarten and modest new housing will slow the decline but not fully offset it; the Planning Commission estimated pending housing activity could add roughly 50–100 students over the next 5–10 years.

Key findings and methods Gruber and Greenberg said the commission used standard cohort‑progression techniques and a mix of local data sources, including Delaware Valley Regional Planning Commission (DVRPC) population projections, county birth records and county property‑sale records. The presenters noted that birth data are reported with a lag of about a year and that American Community Survey estimates carry sampling uncertainty.

The commission offered three scenarios: a baseline that holds future birth rates roughly steady; a higher‑birth alternative; and a baseline plus a housing adjustment that counts units in active land‑development pipelines. All three scenarios show a downward trend in total K‑12 enrollment. The presenters also highlighted a possible short‑term blip in kindergarten enrollments because pandemic‑era birth spikes have begun to enter the school‑age population.

Full‑day kindergarten: the presenters also reviewed national and peer‑district evidence that shifting to full‑day kindergarten typically increases kindergarten enrollment (the presenters cited research showing kindergarten rosters can rise by roughly 20 percent after a switch) and may slightly reduce the number of first‑time first‑grade entrants. For Perkiomen Valley, administrators said the district’s initial full‑day kindergarten year produced a larger birth‑to‑kindergarten ratio than historical averages; the study incorporated that effect in its “higher kindergarten enrollment” variant.

Housing, sales and student yields The presentation reviewed recent new‑construction patterns and student yields by housing type. New single‑family detached units remain the largest producer of students (about one student per new single‑family household in the region), while multifamily units typically yield fewer students per unit. The commission reported roughly 50–60 students per year coming from new construction in the district during recent years, with concentrated development in pockets such as Meadow Glen and some age‑restricted units in Skippack Township.

Board reaction and next steps Superintendent Dr. Russell and board members said the study will be used alongside the district’s comprehensive plan and operational planning. Gruber and Greenberg told the board they will deliver a final written report after the presenters make minor text edits to the draft provided to directors.

Provenance: The board heard the presentation and received the draft slide deck during the meeting; Planning Commission staff answered board questions and described the projection scenarios. The presenters offered the study’s final report to the district once minor drafting work is completed.

Ending: The district will keep the study as one input among several for decisions about facilities, staffing and program design going forward; board members asked administration to incorporate the projections into any future facility or grade‑span proposals.