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Showing latest fiscal year. Full funding history available with a paid plan. View plans →

School Funding — FY2026i

Source

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

153.1%

Funding vs. Needi

GLENBROOK HSD 225160.15%
$131.3M funded$82.0M target
GLENVIEW C C SCHOOL DIST 34118.76%
$71.0M funded$59.8M target
NEW TRIER TWP H S DIST 203197.77%
$113.3M funded$57.3M target
AVOCA SCHOOL DIST 37173.32%
$15.1M funded$8.7M target
SUNSET RIDGE SCHOOL DIST 292.07%
$14.4M funded$6.9M target

District Detail

GLENBROOK HSD 225Tier 4
160.15% funded

At or above 100% of adequacy — fully funded

The state estimates it costs $82.0M to adequately educate all students in this district. The district currently has $131.3M in resources — that's 160.15% of what it needs. This district meets or exceeds its funding target.

What it needsi

$82.0M

What it hasi

$131.3M

From the statei

$3.4M

This district is better funded than 98% of districts statewide.

GLENVIEW C C SCHOOL DIST 34Tier 4
118.76% funded

At or above 100% of adequacy — fully funded

The state estimates it costs $59.8M to adequately educate all students in this district. The district currently has $71.0M in resources — that's 118.76% of what it needs. This district meets or exceeds its funding target.

What it needsi

$59.8M

What it hasi

$71.0M

From the statei

$4.6M

This district is better funded than 90% of districts statewide.

NEW TRIER TWP H S DIST 203Tier 4
197.77% funded

At or above 100% of adequacy — fully funded

The state estimates it costs $57.3M to adequately educate all students in this district. The district currently has $113.3M in resources — that's 197.77% of what it needs. This district meets or exceeds its funding target.

What it needsi

$57.3M

What it hasi

$113.3M

From the statei

$2.4M

This district is better funded than 100% of districts statewide.

AVOCA SCHOOL DIST 37Tier 4
173.32% funded

At or above 100% of adequacy — fully funded

The state estimates it costs $8.7M to adequately educate all students in this district. The district currently has $15.1M in resources — that's 173.32% of what it needs. This district meets or exceeds its funding target.

What it needsi

$8.7M

What it hasi

$15.1M

From the statei

$465K

This district is better funded than 99% of districts statewide.

SUNSET RIDGE SCHOOL DIST 29Tier 1
2.07% funded

Below 60% of adequacy — receives the largest share of new state funding

The state estimates it costs $6.9M to adequately educate all students in this district. The district currently has $14.4M in resources — that's 2.07% of what it needs. This district meets or exceeds its funding target.

What it needsi

$6.9M

What it hasi

$14.4M

From the statei

$371K

This district is better funded than 0% of districts statewide.

Statewide Tier Distributioni

Tier 1: 36 (yours)
Tier 2: 579
Tier 3: 96
Tier 4: 221 (yours)