PreK-12 Education

Fully Funding the Evidence-Based Formula: FY 2025 Proposed General Fund Budget

Release: May 14, 2024

Volume IX of the Fully Funding the EBF series continues CTBA’s modeling of fully funding the EBF to 90% of Adequacy. Volume IX uses the proposed Fiscal Year 2025 General Fund Budget appropriations for the Evidence-Based Funding formula, but uses a projected shortfall based on the ISBE EBF calculated shortfall for FY 2024 (released in August of 2023). The new release maintains the four scenarios, including the full funding model based on an increase of $500 million annually using Scenario 2: Funding the EBF on a Fully Inflation-Adjusted Basis, By Making a Nominal Minimum Target Level Increase Annually.

Fully Funding the Evidence-Based Formula: Volume VIII

Release: October 9, 2023

Volume VIII of the Fully Funding the EBF series continues CTBA’s modeling of fully funding the EBF to 90% of Adequacy, which aligns with the Illinois State Board of Education’s methodology. Volume VIII uses the new tier funding and the calculated shortfall based on the ISBE EBF calculated shortfall for FY 2024 (released in August 2023) as well as references Illinois Department of Revenue Corporate Personal Property Replacement Tax from FY 2019-FY2023.

Fully Funding the Evidence-Based Formula: FY 2024 Proposed General Fund Budget

Release: May 3, 2023

Volume VII of the Fully Funding the EBF series continues CTBA’s modeling of fully funding the EBF to 90% of Adequacy, which aligns more closely with the Illinois State Board of Education’s methodology. Volume VII uses the propsed Fiscal Year 2024 General Fund Budget appropriations for the Evidence-Based Funding formula, but uses a projected shortfall (similar to that of Volume V), based on the ISBE EBF calculated shortfall for FY 2023 (released in August 2022).

Fully Funding the Evidence-Based Formula: Four Scenarios

Release: March 27, 2019

On August 31, 2017, Illinois decision makers finally jettisoned one of the least-equitable K-12 public education funding formulas in the country and replaced it with the Evidence-Based Funding for Student Success Act, or EBF. The EBF represents the best practice in school funding because it ties the dollar amount taxpayers invest in schools to those educational practices which research shows actually enhance student achievement over time.  David G. Sciarra, Education Law Center, Is School Funding Fair?

Moving Forward: Illinois' Evidence Based School Funding Formula Can Reverse Decades of Inequity Created by the Foundation Formula It Replaced

Release: October 10, 2018

After just one year of implementation, Illinois’ new school funding formula – the Evidence Based Funding for Student Success Act, or EBF – holds out the promise of closing Illinois’ drastic funding and achievement gaps both between schools in property-rich and property-poor districts, as well as between schools in predominantly white communities and schools that serve predominantly students of color.

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