| Corporation Name | School name | County | 2012 grade | 2011 grade | 2010 grade |
| Crown Point Community Sch Corp | Colonel John Wheeler Middle Schl | Lake | A | A | A |
| Crown Point Community Sch Corp | Crown Point High School | Lake | A | C | D |
| Crown Point Community Sch Corp | Douglas MacArthur Elem Sch | Lake | B | A | A |
| Crown Point Community Sch Corp | Dwight D Eisenhower Elem Sch | Lake | A | A | A |
| Crown Point Community Sch Corp | Jerry Ross Elementary School | Lake | A | A | A |
| Crown Point Community Sch Corp | Lake Street Elementary School | Lake | A | A | A |
| Crown Point Community Sch Corp | Robert Taft Middle School | Lake | A | C | A |
| Crown Point Community Sch Corp | Solon Robinson Elementary Sch | Lake | A | A | A |
| Crown Point Community Sch Corp | Timothy Ball Elementary Sch | Lake | A | A | A |
| Crown Point Community Sch Corp | Winfield Elementary School | Lake | A | A | A |
| Diocese of Gary | Andrean High School | Lake | A | A | D |
| Diocese of Gary | Aquinas School at St Andrew's | Lake | B | A | A |
| Diocese of Gary | Bishop Noll Institute | Lake | B | B | D |
| Diocese of Gary | Our Lady Of Grace School | Lake | A | A | A |
| Diocese of Gary | Saint Bridget School | Lake | A | | B |
| Diocese of Gary | Saint Casimir School | Lake | A | A | A |
| Diocese of Gary | Saint Edward School | Lake | B | B | B |
| Diocese of Gary | Saint John Bosco School | Lake | B | B | A |
| Diocese of Gary | Saint John Evangelist School | Lake | A | A | A |
| Diocese of Gary | Saint John The Baptist School | Lake | B | A | B |
| Diocese of Gary | Saint Mary Catholic Comm School | Lake | A | A | A |
| Diocese of Gary | Saint Mary School | Lake | B | B | A |
| Diocese of Gary | Saint Michael School | Lake | A | A | A |
| Diocese of Gary | Saint Thomas More School | Lake | A | A | B |
| Diocese of Gary | St Stanislaus School | Lake | D | A | A |
| Gary Community School Corp | Bailly Preparatory Academy | Lake | D | C | F |
| Gary Community School Corp | Benjamin Banneker Achievement Ctr | Lake | A | B | A |
| Gary Community School Corp | Beveridge Elementary School | Lake | F | F | C |
| Gary Community School Corp | Brunswick Elementary School | Lake | F | D | A |
| Gary Community School Corp | Daniel Hale Williams Elem Sch | Lake | D | A | A |
| Gary Community School Corp | Daniel Webster Elem Sch | Lake | F | A | A |
| Gary Community School Corp | Dr Bernard C Watson Acad for Boys | Lake | F | F | F |
| Gary Community School Corp | Frankie W McCullough Acad for Girl | Lake | C | A | A |
| Gary Community School Corp | Glen Park Acad for Excel in Lrn | Lake | C | C | C |
| Gary Community School Corp | Jacques Marquette Elem School | Lake | F | A | A |
| Gary Community School Corp | Jefferson Elementary School | Lake | F | D | F |
| Gary Community School Corp | Lew Wallace (Sci-Tech-Eng-Math) | Lake | F | F | F |
| Gary Community School Corp | Theodore Roosevelt Car & Tech Acad | Lake | F | F | F |
| Gary Community School Corp | West Side Leadership Academy | Lake | F | F | F |
| Gary Community School Corp | Wm A Wirt/Emerson VPA | Lake | D | D | F |
| Griffith Public Schools | Beiriger Elementary School | Lake | B | A | A |
| Griffith Public Schools | Eldon Ready Elementary School | Lake | C | A | A |
| Griffith Public Schools | Elsie Wadsworth Elem Sch | Lake | B | B | A |
| Griffith Public Schools | Griffith Middle School | Lake | B | D | C |
| Griffith Public Schools | Griffith Senior High School | Lake | B | C | F |
| Hanover Community School Corp | Hanover Central High Sch | Lake | A | A | C |
| Hanover Community School Corp | Hanover Central Middle School | Lake | B | B | D |
| Hanover Community School Corp | Jane Ball Elementary School | Lake | D | A | A |
| Hanover Community School Corp | Lincoln Elementary School | Lake | A | A | A |
| Lake Central School Corp | George Bibich Elementary Sch | Lake | B | A | A |
| Lake Central School Corp | Hal E Clark Middle School | Lake | A | A | A |
| Lake Central School Corp | Homan Elementary School | Lake | B | A | C |
| Lake Central School Corp | James H Watson Elem Sch | Lake | A | A | A |
| Lake Central School Corp | Kahler Middle School | Lake | C | B | A |
| Lake Central School Corp | Kolling Elementary School | Lake | C | A | A |
| Lake Central School Corp | Lake Central High School | Lake | A | C | C |
| Lake Central School Corp | Michael Grimmer Middle School | Lake | B | A | A |
| Lake Central School Corp | Peifer Elementary School | Lake | B | A | A |
| Lake Central School Corp | Protsman Elementary School | Lake | B | A | A |
| Lake Ridge Schools | Calumet High School | Lake | C | C | F |
| Lake Ridge Schools | Grissom Elementary School | Lake | A | C | A |
| Lake Ridge Schools | Hosford Park Elementary | Lake | D | A | A |
| Lake Ridge Schools | Lake Ridge Middle School | Lake | D | D | C |
| Lake Ridge Schools | Longfellow Elementary School | Lake | C | A | C |
| Lake Station Community Schools | Alexander Hamilton Elementary Sch | Lake | B | D | A |
| Lake Station Community Schools | Carl J Polk Elementary School | Lake | A | A | A |
| Lake Station Community Schools | Thomas A Edison Jr-Sr HS | Lake | C | C | F |
| Lake Station Community Schools | Virgil I Bailey Elementary School | Lake | A | A | A |
| Lutheran Schools of Indiana | St Paul's Lutheran School | Lake | A | A | A |
| Lutheran Schools of Indiana | Trinity Lutheran School | Lake | B | A | A |
| Lutheran Schools of Indiana | Trinity Lutheran School | Lake | F | | |
| Merrillville Community School | Edgar L Miller Elem Sch | Lake | A | A | A |
| Merrillville Community School | Henry P Fieler Elem Sch | Lake | D | D | A |
| Merrillville Community School | Homer Iddings Elem Sch | Lake | D | D | C |
| Merrillville Community School | John Wood Elementary School | Lake | A | B | B |
| Merrillville Community School | Jonas E Salk Elem Sch | Lake | A | A | A |
| Merrillville Community School | Merrillville High Sch | Lake | A | C | D |
| Merrillville Community School | Merrillville Intermediate School | Lake | B | C | C |
| Merrillville Community School | Pierce Middle School | Lake | C | D | C |
| River Forest Community Sch Corp | Henry S Evans Elementary Sch | Lake | B | A | A |
| River Forest Community Sch Corp | John I Meister Elementary School | Lake | C | A | A |
| River Forest Community Sch Corp | River Forest Elementary Sch | Lake | C | C | A |
| River Forest Community Sch Corp | River Forest Jr-Sr High School | Lake | C | C | F |
| School City of East Chicago | Abraham Lincoln Elementary Sch | Lake | B | C | C |
| School City of East Chicago | Benjamin Franklin Elem School | Lake | F | F | F |
| School City of East Chicago | Benjamin Harrison Elementary Sch | Lake | B | C | C |
| School City of East Chicago | Carrie Gosch Elementary School | Lake | C | C | C |
| School City of East Chicago | East Chicago Central High Sch | Lake | D | C | F |
| School City of East Chicago | George Washington Elem School | Lake | F | D | A |
| School City of East Chicago | Joseph L Block Jr High School | Lake | F | F | C |
| School City of East Chicago | William McKinley Elementary Sch | Lake | D | C | C |
| School City of Hammond | Abraham Lincoln Elem Sch | Lake | D | C | C |
| School City of Hammond | Benjamin Franklin Elem Sch | Lake | F | C | A |
| School City of Hammond | Charles N Scott Middle School | Lake | F | D | C |
| School City of Hammond | Columbia Elementary School | Lake | F | F | D |
| School City of Hammond | Donald E Gavit Mdl/High Sch | Lake | D | D | D |
| School City of Hammond | Frank O'Bannon Elementary School | Lake | D | D | D |
| School City of Hammond | George Rogers Clark Md/HS | Lake | D | D | F |
| School City of Hammond | Hammond High School | Lake | D | C | F |
| School City of Hammond | Henry W Eggers Elem/Md Sch | Lake | D | C | C |
| School City of Hammond | Joseph Hess Elementary School | Lake | F | C | C |
| School City of Hammond | Kenwood Elementary School | Lake | F | D | C |
| School City of Hammond | Lafayette Elementary School | Lake | C | A | A |
| School City of Hammond | Lew Wallace Elementary School | Lake | D | A | C |
| School City of Hammond | Maywood Elementary School | Lake | F | F | C |
| School City of Hammond | Morton Elementary School | Lake | F | D | C |
| School City of Hammond | Morton Senior High School | Lake | C | C | F |
| School City of Hammond | Thomas A Edison Elem Sch | Lake | F | B | D |
| School City of Hammond | Thomas Jefferson Elem Sch | Lake | D | D | C |
| School City of Hammond | Warren G Harding Elem Sch | Lake | D | C | C |
| School City of Hammond | Washington Irving Elem Sch | Lake | F | C | C |
| School City of Hobart | Hobart High School | Lake | A | C | F |
| School City of Hobart | Hobart Middle School | Lake | C | D | D |
| School City of Hobart | Joan Martin Elementary School | Lake | B | C | C |
| School City of Hobart | Liberty Elementary School | Lake | A | A | A |
| School City of Hobart | Ridge View Elementary School | Lake | B | A | A |
| School City of Hobart | The Early Lrn Cntr at George Earle | Lake | A | A | B |
| School Town of Highland | Allen J Warren Elem Sch | Lake | B | A | A |
| School Town of Highland | Highland High School | Lake | A | C | D |
| School Town of Highland | Highland Middle School | Lake | A | A | A |
| School Town of Highland | Judith Morton Johnston Elem | Lake | C | A | A |
| School Town of Highland | Mildred Merkley Elem School | Lake | D | B | A |
| School Town of Highland | Southridge Elementary School | Lake | C | A | A |
| School Town of Munster | Ernest R Elliott Elem Sch | Lake | B | A | A |
| School Town of Munster | Frank H Hammond Elem Sch | Lake | A | A | A |
| School Town of Munster | James B Eads Elementary Sch | Lake | C | A | B |
| School Town of Munster | Munster High School | Lake | A | C | C |
| School Town of Munster | Wilbur Wright Middle School | Lake | B | A | C |
| Tri-Creek School Corporation | Lake Prairie Elementary Sch | Lake | D | A | B |
| Tri-Creek School Corporation | Lowell Middle School | Lake | B | C | C |
| Tri-Creek School Corporation | Lowell Senior High School | Lake | B | D | D |
| Tri-Creek School Corporation | Oak Hill Elementary School | Lake | B | A | A |
| Tri-Creek School Corporation | Three Creeks Elem School | Lake | B | C | C |
| Whiting School City | Nathan Hale Elementary School | Lake | D | A | B |
| Whiting School City | Whiting High School | Lake | A | C | F |
| Whiting School City | Whiting Middle School | Lake | B | B | A |
| Diocese of Gary | Nativity of Our Savior School | Porter | A | A | A |
| Diocese of Gary | Saint Patrick School | Porter | A | A | A |
| Diocese of Gary | Saint Paul Catholic School | Porter | A | A | A |
| Duneland School Corporation | Bailly Elementary School | Porter | B | A | A |
| Duneland School Corporation | Brummitt Elementary School | Porter | C | A | B |
| Duneland School Corporation | Chesterton Middle School | Porter | D | A | B |
| Duneland School Corporation | Chesterton Senior High School | Porter | A | C | D |
| Duneland School Corporation | Jackson Elementary School | Porter | A | A | A |
| Duneland School Corporation | Liberty Elementary School | Porter | C | A | B |
| Duneland School Corporation | Liberty Intermediate School | Porter | B | A | A |
| Duneland School Corporation | Newton Yost Elementary School | Porter | C | A | A |
| Duneland School Corporation | Westchester Intermediate School | Porter | A | C | A |
| East Porter County School Corp | Kouts Elementary School | Porter | B | A | A |
| East Porter County School Corp | Kouts Middle/High School | Porter | B | B | B |
| East Porter County School Corp | Morgan Township Elementary School | Porter | A | A | A |
| East Porter County School Corp | Morgan Township Middle/High School | Porter | A | A | B |
| East Porter County School Corp | Washington Twp Elementary School | Porter | A | A | A |
| East Porter County School Corp | Washington Twp Middle/High School | Porter | B | A | B |
| Lutheran Schools of Indiana | Immanuel Lutheran School | Porter | A | A | A |
| M S D Boone Township | Hebron Elementary School | Porter | C | A | B |
| M S D Boone Township | Hebron High School | Porter | A | C | D |
| M S D Boone Township | Hebron Middle School | Porter | A | A | A |
| Portage Township Schools | Central Elementary School | Porter | C | A | A |
| Portage Township Schools | Crisman Elementary School | Porter | B | A | A |
| Portage Township Schools | Ethel R Jones Elem Sch | Porter | A | A | A |
| Portage Township Schools | George L Myers Elem Sch | Porter | A | A | A |
| Portage Township Schools | Paul Saylor Elementary School | Porter | B | B | A |
| Portage Township Schools | Portage High School | Porter | A | C | D |
| Portage Township Schools | Rowena Kyle Elementary School | Porter | A | A | A |
| Portage Township Schools | South Haven Elementary School | Porter | A | A | A |
| Portage Township Schools | Wallace Aylesworth Elementary | Porter | A | A | C |
| Portage Township Schools | William Fegely Middle School | Porter | C | B | C |
| Portage Township Schools | Willowcreek Middle School | Porter | B | B | A |
| Porter Township School Corp | Boone Grove Elementary School | Porter | C | A | A |
| Porter Township School Corp | Boone Grove High School | Porter | B | A | D |
| Porter Township School Corp | Boone Grove Middle School | Porter | A | A | A |
| Porter Township School Corp | Porter Lakes Elementary School | Porter | C | A | A |
| Union Township School Corp | John Simatovich Elem Sch | Porter | C | B | A |
| Union Township School Corp | Union Center Elem Sch | Porter | A | A | A |
| Union Township School Corp | Union Township Middle Sch | Porter | A | B | B |
| Union Township School Corp | Wheeler High School | Porter | A | C | B |
| Valparaiso Community Schools | Benjamin Franklin Mid Sch | Porter | A | A | A |
| Valparaiso Community Schools | Central Elementary School | Porter | A | A | A |
| Valparaiso Community Schools | Cooks Corners Elementary School | Porter | B | A | A |
| Valparaiso Community Schools | Flint Lake Elementary Sch | Porter | A | B | A |
| Valparaiso Community Schools | Hayes Leonard Elementary Sch | Porter | A | B | A |
| Valparaiso Community Schools | Memorial Elementary School | Porter | A | A | A |
| Valparaiso Community Schools | Northview Elementary School | Porter | A | A | A |
| Valparaiso Community Schools | Parkview Elementary School | Porter | B | A | A |
| Valparaiso Community Schools | Thomas Jefferson Elem Sch | Porter | B | A | B |
| Valparaiso Community Schools | Thomas Jefferson Middle Sch | Porter | B | C | C |
| Valparaiso Community Schools | Valparaiso High School | Porter | A | C | C |
| Independent Non-Public Schools | Ambassador Christian Academy | Lake | C | A | B |
| Independent Non-Public Schools | Crown Point Christian Sch | Lake | A | | A |
| | | | | |
| Charter Schools | | | | | |
| 21st Century Charter Sch of Gary | 21st Century Charter Sch of Gary | Lake | C | A | A |
| Aspire Charter Academy | Aspire Charter Academy | Lake | C | C | F |
| Campagna Academy Charter School | Campagna Academy Charter School | Lake | F | C | C |
| Charter School of the Dunes | Charter School of the Dunes | Lake | F | D | C |
| East Chicago Lighthouse Charter | East Chicago Lighthouse | Lake | D | C | C |
| East Chicago Urban Enterprise Acad | East Chicago Urban Enterprise Acad | Lake | D | F | C |
| Gary Lighthouse Charter School | Gary Lighthouse Charter School | Lake | F | F | C |
| Hammond Academy of Science & Tech | Hammond Academy of Science & Tech | Lake | F | D | |
| LEAD College Prep Charter | LEAD College Prep | Lake | F | D | C |
| Thea Bowman Leadership Academy | Thea Bowman Leadership Academy | Lake | C | C | A |
| West Gary Lighthouse Charter | West Gary Lighthouse | Lake | F | D | C |
| Discovery Charter School | Discovery Charter School | Porter | A | B | |
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