From “Adlai Stevenson High School District: Reward and Recognition in a ‘Learning Community’” by Mike Schmoker:

When [Richard] DuFour began as principal in 1983, Stevenson didn’t even rank in the top 50 schools in the Midwest. By 1995, they were ranked by the College Board as the top high school in the Midwest and the sixth in the world, based on student success on Advance Placement (AP) exams. They raised achievement in every measurable category, as can be seen in the following tables:

CLICK IMAGE TO ENLARGE:
Adlai Stevenson High School | DuFour | Results
Source:
Results Fieldbook by Mike Schmoker
176×300 original


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Spending

DuFour created “professional learning communities,” which he set up with no additional funding from his board.

Today Adlai Stevenson High School spends roughly $29K per each student who has passed at least one AP test by graduation, while we here in the Irvington school district spend roughly $49K.

2012-2013
Enrollment Budget  Per pupil
spending
% Students
Passing AP
# Students
Passing AP
Budget
High School 
Est. Spending
Per Each 
AP Test Passed**
Adlai Stevenson 3,881 $88,398,949 $24,144 77.0% 2,988 $88,398,949 $29,585
Irvington Estimate:
581*
$51,156,000 $28,404 58.20% 0.338 $16,502
(581 x $28,404)
$48,825

* I.H.S. enrollment for 2011-12. I will update when I have the 2012-2013 figures.

* Total high school budget ÷ Number of students passing at least 1 exam by graduation


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Books and articles
2001
Chapter 1. Adlai Stevenson High School District: Reward and Recognition in a “Learning Community”
by Mike Schmoker
Adlai Stevenson High School
“The relevant question for the learning organization is not “Who is in charge?” but rather, “How can we best get results?” (DuFour & Eaker, 1998, p. 153).”

2002
The Learning-Centered Principal | TERRIFIC
(“Confessions of an Instructional Leader”)
by Richard DuFour
Educational Leadership | Pages 12-15
May 2002 | Volume 59 | Number 8

Evaluate learning, not teaching | 6/13/2013

2004
Tipping Point: From Feckless Reform to Substantive Instructional Improvement
by Mike Schmoker
Phi Delta Kappan, v85 n6 p424 Feb 2004
“THERE ARE simple, proven, affordable structures that exist right now and could have a dramatic, widespread impact on schools and achievement — in virtually any school.”
Against strategic planning

What is a “Professional Learning Community?” | DEFINITION
by Richard DuFour
Educational Leadership | May 2004

2010
Creating a Professional Learning Community | Yorktown | TERRIFIC

2013
How Do Principals Really Improve Schools?
by Richard DuFour and Mike Mattos
“Instead of micromanaging teachers, principals should lead efforts to collectively monitor student achievement through professional learning communities.”


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Richard DuFour’s website:
All Things PLC
Articles on Professional Learning Communities:
Articles at All Things PLC
Schmoker, DuFour, Elmore:
Books and videos


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Median income
IUFSD
Irvington: Estimated median household income in 2009: $103,682
Tarrytown: Estimated median household income in 2009: $80,374

Adlai Stevenson High School
Lincolnshire: Estimated median household income in 2009: $129,428
Mundelein: Estimated median household income in 2009: $80,672
Long Grove: Estimated median household income in 2009: $155,986
Buffalo Grove: Estimated median household income in 2009: $84,086
Hawthorn Woods: Estimated median household income in 2009: $160,826
Bannockburn: Estimated median household income in 2009: $220,950
Kildeer: Estimated median household income in 2009: $156,448

from Wikipedia:
[Adlai Stevenson High School] serves students in the area’s District 125 coming from Lincolnshire, Long Grove, Prairie View, Illinois and portions of Buffalo Grove, Mundelein, Kildeer, Hawthorn Woods and smaller portions of Vernon Hills, Lake Zurich, Lake Forest, Mettawa, Riverwoods, Bannockburn and Deerfield.