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District presents "Thrive Time" plan recommending later start times for students
Summary
St. Louis Public Schools presented research and survey results recommending elementary schools start at 9:30 a.m. and middle/high schools at 8:00 a.m., citing sleep science and stakeholder input; board members pressed staff on transportation, athletics and funding for before/after care and set a 2027–28 target for implementation planning.
St. Louis Public Schools officials on Feb. 24 presented a "Thrive Time" proposal that would shift elementary school start times to 9:30 a.m. and middle and high school start times to 8:00 a.m., with phased implementation targeted for the 2027–28 school year.
Dr. Hanley Chang, a social scientist and SLPS parent who led the scientific portion of the presentation, summarized evidence that adolescent sleep cycles shift later and that later start times improve sleep, attendance and academic performance. "For the next few minutes we will be talking about why school start times matter for the outcomes of high school and middle school students," Chang said, citing research showing later starts can yield measurable gains in math and reading and reduce tardiness and absences.
District survey results presented to the board showed broad stakeholder interest and substantial participation. Staff reported two sets of survey responses and noted substantial increases in student respondents for the post-engagement survey; across parents, teachers and administrators the modal preference reported by the district was an 8:00 a.m. start for middle and high schools and a 9:30 a.m. start for elementary schools.
Board members pressed staff on implementation timelines and tradeoffs. "So we're waiting another year to even get started," said Mr. Marston, arguing the board needs more information on how long other districts took to implement similar changes. Staff said they would provide comparative implementation examples and additional logistical analysis, including electronically modeled bus-routing runs.
Transportation and extracurricular athletics were recurring concerns. Board members asked why the recommended middle/high start (8:00 a.m.) was earlier than medical associations' 8:30-a.m. guideline; staff replied the district recommendations reflect both the survey feedback and local operational constraints, including tier spacing and available fleet capacity. District staff also noted that a two-tier vs. three-tier routing configuration can change required gaps between bell times and affect ride times and staffing.
Funding for before-and-after care also emerged as a practical constraint. Staff estimated the district's prior expenditures on before/after-care programs exceed $2 million, and said decisions about district-funded expansions would be weighed against budgetary constraints and potential community partnerships or philanthropic support.
The board did not vote on a final policy at the Feb. 24 session. Staff recommended additional logistics, budget and transportation analysis and said the 2027–28 school year target will allow time for route modeling, financial planning and community engagement before any implementation. The district also flagged pending state-level legislation (Senate Bill 1710) that would set a statewide earliest instruction start time of 8:30 a.m. for public high schools.
Next steps: staff will return with implementation scenarios, transportation run models and more detailed cost estimates for before/after care and other program impacts before the board takes a final vote.
