Appendix showing the schools, by county, used in this study.

Cook County, Illinois Middle and Junior High Schools
DuPage County, Illinois Middle and Junior High Schools
Kane County, Illinois Middle and Junior High Schools
Lake County, Illinois Middle and Junior High Schools
McHenry County, Illinois Middle and Junior High Schools
Will County, Illinois Middle and Junior High Schools

Cook County Middle and Junior High Schools Used in This Study

City School (grades)
  City
School (grades)
 Alsip  Hamlin Upper Grade Center (6-8)    Elmhurst  Bryan MS (6-8)
 Alsip  Prairie Jr High (7-8)    Elmhurst  Churchville MS (6-8)
 Arlington Heights  South MS (6-8)    Elmhurst  Sandburg MS (6-8)
 Arlington Heights  Thomas MS (6-8)    Elmwood Park  Elm MS (7-8)
 Barrington  Prairie MS (6-8)    Evanston  Chute MS (6-8)
 Barrington  Station MS (6-8)    Evanston  Haven MS (6-8)
 Bartlett  Eastview MS (7-8)    Evanston  Nichols MS (6-8)
 Bellwood  Roosevelt MS (6-8)    Evergreen Park  Central Jr High (7-8)
 Bensenville  Blackhawk MS (6-8)    Flossmoor  Parker Jr High (6-8)
 Berkeley  McCarthur MS (6-8)    Ford Heights  Beck Upper Grades (5-8)
 Berwyn  Freedom MS (6-8)    Forest Park  Forest Park MS (6-8)
 Berwyn  Heritage MS (6-8)    Franklin Park  Hester Jr High (6-8)
 Berwyn  Lincoln MS (6-8)    Glencoe  Central School (5-8)
 Blue Island  Everett Kerr MS (6-8)    Glenview  Attea MS (6-8)
 Blue Island  Veterans Memeorial MS (6-8)    Glenview  Springman MS (6-8)
 Broadview  Lindop Elementary School (K-8)    Glenwood  Brookwood Jr High (7-8)
 Broadview  Roosevelt Elem School (K-8)    Hanover Park  Spring Wood MS (6-8)
 Brookfield  S E Gross MS (5-8)    Harvey  Brooks MS (7-8)
 Buffalo Grove  Aptakisic Jr High (7-8)    Harwood Heights  Union Ridge (K-8)
 Buffalo Grove  Cooper MS (6-8)    Hickory Hills  H H Conrady Jr High (6-8)
 Buffalo Grove  Twin Groves MS (6-8)    Hillside  Hillside Elementary School (K-8)
 Burbank  Liberty Jr High (7-8)    Hinsdale  Hinsdale MS (6-8)
 Burnham  Burnham Elem School (K-8)    Hoffman Estates  Eisenhower Jr. High (7-8)
 Burr Ridge  Burr Ridge MS (5-8)    Hoffman Estates  Lincoln Prairie (K-8)
 Burr Ridge  Gower MS (5-8)    Homewood  Hart Jr High (7-8)
 Burr Ridge  Pleasantdale MS (5-8)    Justice  Wilkins Jr High (7-8)
 Calumet City  Dirksen MS (6-8)    Kenilworth  Sears (K-8)
 Calumet City  Schrum MS (6-8)    LaGrange  Highlands MS (6-8)
 Calumet City  Wentworth Jr High (6-8)    LaGrange  Park Junior High (7-8)
 Calumet Park
 Calument Elem School (MS) (6-8)    Lansing  Heritage MS (5-8)
 Chicago Heights  Garfield Elem (K-8)    Lansing  Memorial Jr High (6-8)
 Chicago Heights  Gavin Elem (K-8)    Lemont  Old Quarry MS (6-8)
 Chicago Heights  Greenbriar Elem (K-8)    Linclonwood  Lincoln Hall MS (6-8)
 Chicago Heights  Jefferson Elem (K-8)    Lyons  Washingtom MS (6-8)
 Chicago Heights  Kennedy Elem (K-8)    Maywood  Emerson Elem (K-8)
 Chicago Heights  Lincoln Elem (K-8)    Maywood  Garfield Elem (K-8)
 Chicago Heights  Sandridge Elem (K-8)    Maywood  Irving Elem (K-8)
 Chicago Heights  Washington Jr High (5-8)    Maywood  Lexington Elem (K-8)
 Chicago Heights  Wilson Elem (K-8)    Maywood  Lincoln Elem (K-8)
 Chicago Ridge  Finley Jr High (6-8)    Maywood  Washington MS (K-8)
 Cicero  Unity Jr High (8th grade only)    Melrose Park  Addams Elem (K-8)
 Crestwood  Kolmar Elem (K-8)    Melrose Park  Mannheim MS (6-8)
 Crestwood  Nathan Hale MS (6-8)    Melrose Park  Melrose Park Elem (K-8)
 Deerfield  Caruso MS (6-8)    Melrose Park  Stevenson Elem (K-8)
 Deerfield  Shepard MS (6-8)    North Riverside  Komarek Elem (K-8)
 Des Plaines  Algonquin MS (6-8)    Northlake  Northlake MS (6-8)
 Des Plaines  Chippewa MS (6-8)    Oak Brook  Buter Jr High (6-8)
 Des Plaines  Friendship Jr High (6-8)    Oak Park  Brooks MS (6-8)
 Des Plaines  Iroquois Comm. School (K-8)    Oak Park  Julian MS (6-8)
 Dixmoor  Parks MS (6-8)    River Forest  Roosevelt (5-8)
 Dolton  Lincoln Jr High (7-8)    Riverside  L J Hauser Jr High (6-8)
 Dolton  Roosevelt Jr High (7-8)    Summit  Heritage MS (6-8)
 Elgin  Abbott MS (7-8)    Westchester  Westchester MS (6-8)
 Elgin  Ellis MS (7-8)    Western Springs  McClure Jr High (6-8)
 Elgin  Kimball MS (7-8)    Willow Springs  Willow Springs Elem (K-8)
 Elgin  Larsen MS (7-8)    Woodridge  Jefferson MS (7-8)
 Elk Grove Village Grove Jr High (6-8)     Worth  Worth Jr High (6-8)
 Elk Grove Village  Margaret Mead Jr High (7-8)      
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DuPage County Middle and Junior High Schools Used in This Study

City School (grades)
  City
School (grades)
 Addison Indian Trails Jr High (6-8)  Lisle Kennedy Jr High (6-8)
 Aurora Cowherd MS (6-8)  Lisle Lisle Jr High (6-8)
 Aurora Granger MS (6-8)  Lombard Westlake MS (6-8)
 Aurora Herget MS (6-8)  Naperville Crone MS (6-8)
 Aurora Jefferson MS (6-8)  Naperville Gordon MS (6-8)
 Aurora Simmons MS (6-8)  Naperville Hill MS (6-8)
 Aurora Still MS (6-8)  Naperville Jefferson Jr High (6-8)
 Aurora Waldo MS (6-8)  Naperville Lincoln Jr High (6-8)
 Aurora Washington MS (6-8)  Naperville Madison Jr High (6-8)
 Batavia Rotolo MS (6-8)  Naperville Scullen MS (6-8)
 Bloomingdale Stratford MS (6-8)  Naperville Washington Jr High (6-8)
 Bloomingdale Westfield MS (6-8)  North Aurora Jewel MS (6-8)
 Bolingbrook Brooks MS (6-8)  Saint Charles Thompson MS (6-8)
 Bolingbrook Humphrey MS (6-8)  Saint Charles Wredling MS (6-8)
 Bolingbrook Jane Addams MS (6-8)  Vila Park Jackson MS (6-8)
 Carol Stream Jay Stream MS (6-8)  Vila Park Jefferson MS (6-8)
 Clarendon Hills Clarendon Hills MS (6-8)  Vila Park Albright MS (5-8)
 Darien Cass Jr High (5-8)  West Chicago Benjamin MS (6-8)
 Darien Eisenhower Jr High (6-8)  West Chicago West Chicago MS (7-8)
 Downers Grove Herrick MS (7-8)  Westmont Westmont Jr High (6-8)
 Downers Grove Lakeview Jr High (6-8)  Wheaton Edison MS (6-8)
 Downers Grove O’Neill MS (7-8)  Wheaton Franklin MS (6-8)
 Glen Ellyn Glen Crest MS (6-8)  Wheaton Hubble MS (6-8)
 Glen Ellyn Hadley Jr High (6-8)  Wheaton Monroe MS (6-8)
 Glendale Heights Glenside MS (6-8)  Willowbrook Westview Hills MS (6-8)
 Glendale Heights Marquardt MS (6-8)  Winfield Winfield Central (3-8)
 Itasca Peacock MS (6-8)  Wood Dale Wood Dale Jr High (6-8)
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Kane County Middle and Junior High Schools Used in This Study

City School (grades)
  City
School (grades)
 Burlington  Central MS (6-8)    Hampshire  Hampshire MS (6-8)
 Carpentersville Carpentersville MS (7-8)  South Elgin Kenyon Woods MS (7-8)
 Geneva Geneva MS (6-8)   
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Lake County Middle and Junior High Schools Used in This Study

City School (grades)
  City
School (grades)
 Bannockburn  Bannockburn Elem (K-8)    Lincolnshire  Wright Jr High (5-8)
 Beach Park Beach Park MS (5-8)  Lindenhurst Millburn West (K-8)
 Fox Lake Stanton MS (6-8)  Long Grove Woodlawn MS (6-8)
 Fox River Grove Fox River Grove MS (5-8)  Mundelein Fremont MS (3-8)
 Grayslake Grayslake MS (7-8)  Mundelein Sandburg MS (6-8)
 Grayslake Prairie Crossing Charter School (K-8)  Mundelein West Oak MS (5-8)
 Green Oaks Oak Grove Elem (K-8)  Round Lake Round Lake MS (7-8)
 Gurnee Viking MS (6-8)  Vernon Hills Hawthorn MS (7-8)
 Gurnee Woodland MS (6-8)  Wadsworth Millburn (K-8)
 Hawthorn Woods Lake Zurich MS North Campus (6-8)  Wauconda Wauconda MS (7-8)
 Highland Park Edgewood MS (6-8)  Waukegan Abbott MS (6-8)
 Highland Park Elm Place MS (6-8)  Waukegan Benny MS (6-8)
 Highland Park Northwood Jr High (6-8)  Waukegan Jefferson MS (6-8)
 Lake Bluff Lake Bluff MS (6-8)  Waukegan Juarez MS (6-8)
 Lake Forest Deer Path MS (5-8)  Waukegan Webster MS (6-8)
 Lake Forest Rondout Elem (K-8)  Wheeling Holmes MS (6-8)
 Lake Villa Palombi Jr High (7-8)  Wheeling London MS (6-8)
 Lake Zurich Lake Zurich MS South Campus (6-8)  Winthrop Harbor North Prairie Jr High (6-8)
 Libertyville Highland MS (6-8)  Zion Central Jr High (7-8)
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McHenry County Middle and Junior High Schools Used in This Study

City School (grades)
  City
School (grades)
 Algonquin  Algonquin MS (6-8)    Harvard  Harvard Jr High (5-8)
 Algonquin Heineman MS (6-8)  Hebron Alden-Hebron MS (6-8)
 Algonquin Westfield Elem (K-8)  Marengo Marengo MS (5-8)
 Cary Cary Jr High (7-8)  Marengo Riley Elem (K-8)
 Crystal Lake Beardsley MS (6-8)  Richmond Nippersink MS (6-8)
 Crystal Lake Bernotas MS (6-8)  Wonder Lake Harrison Elem (PK-8)
 Crystal Lake Lundahl MS (6-8)  Woodstock Northwood MS (6-8)
 Crystal Lake Prairie Grove Jr High (6-8)  Woodstock Olson MS (6-8)
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Will County Middle and Junior High Schools Used in This Study

City School (grades)
  City
School (grades)
 Beecher  Beecher Jr High (6-8)    Lockport  Grove Jr High (4-8)
 Braidwood Reed-Custer MS (6-8)  Lockport Taft Elem (K-8)
 Channahon Channahon Jr High (7-8)  Manhattan Manhattan Jr High (6-8)
 Crest Hill Monge Jr High (6-8)  Mokena Mokena Jr High (6-8)
 Elwood Elwood Elem (K-8)  New Lenox Liberty Jr High (7-8)
 Frankfort Hickory Creek MS (6-8)  New Lenox Martino Jr High (7-8)
 Frankfort Summit Hill Jr High (7-8)  Peotone Peotone Jr High (6-8)
 Homer Glen Homer Jr High (7-8)  Plainfield Drauden Point MS (6-8)
 Joliet Dirksen Jr High (6-8)  Plainfield Heritage Grove MS (6-8)
 Joliet Gompers Jr High (6-8)  Plainfield Indian Trail MS (6-8)
 Joliet Hufford Jr High (6-8)  Plainfield Ira Jones MS (6-8)
 Joliet Laraway Elem (1-8)  Plainfield Timber Ridge MS (6-8)
 Joliet Rockdale Elem (K-8)  Plainfield Troy MS (6-8)
 Joliet Union Elem (K-8)  Romeoville Martinez MS (6-8)
 Joliet Washington Jr High (6-8)  Wilmington Stevens MS (6-8)
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