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Illinois uses Evidence-Based Funding to determine whether your school districts have enough money. Here's where they stand.
What is Evidence-Based Funding?
Illinois' Evidence-Based Funding (EBF) formula, enacted in 2017, calculates an Adequacy Target for each district — the estimated cost to provide an adequate education. It then compares each district's available resources to that target.
Districts are assigned to Tiers 1-4 based on their percentage of adequacy. Tier 1 districts (most underfunded) receive the largest share of new state funding.
Tier 1: Below 60% of adequacy
Tier 2: 60% to below 90% of adequacy
Tier 3: 90% to below 100% of adequacy
Tier 4: At or above 100% of adequacy
Source: ISBE Evidence-Based Funding
Avg % of Adequacyi
82.2%Adequacy Gapi
$37.6MFunding vs. Needi
District Detail
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $89.2M to adequately educate all students in this district. The district currently has $66.9M in resources — that's 74.94% of what it needs. There's a $22.4M gap between what the district has and what it needs.
What it needsi
$89.2M
What it hasi
$66.9M
From the statei
$52.7M
This district is better funded than 29% of districts statewide.
90-100% of adequacy — receives limited new state funding
The state estimates it costs $88.0M to adequately educate all students in this district. The district currently has $79.9M in resources — that's 90.78% of what it needs. There's a $8.1M gap between what the district has and what it needs.
What it needsi
$88.0M
What it hasi
$79.9M
From the statei
$55.3M
This district is better funded than 67% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $22.4M to adequately educate all students in this district. The district currently has $16.9M in resources — that's 75.18% of what it needs. There's a $5.6M gap between what the district has and what it needs.
What it needsi
$22.4M
What it hasi
$16.9M
From the statei
$14.5M
This district is better funded than 31% of districts statewide.
60-90% of adequacy — receives moderate new state funding
The state estimates it costs $15.0M to adequately educate all students in this district. The district currently has $13.4M in resources — that's 89.4% of what it needs. There's a $1.6M gap between what the district has and what it needs.
What it needsi
$15.0M
What it hasi
$13.4M
From the statei
$10.1M
This district is better funded than 65% of districts statewide.
Statewide Tier Distributioni