school year             class a                                     class aa                 class aaa          class aaaa                  class aaaaa
0     1990 - 91        valley mills                                     canadian                  lampasas         waco midway                      lubbock
1     1991 - 92        valley mills                                     canadian                      troy       highland park                      lubbock
2     1992 - 93             lindsay                                    wimberley                  seminole          kingsville           san antonio holmes
3     1993 - 94             lindsay                                     canadian                     cuero         north lamar            fort worth dunbar
4     1994 - 95             lindsay                                        troup             waco connally         north lamar                        plano
5     1995 - 96                rule                                     canadian                 wimberley      austin johnson             houston bellaire
6     1996 - 97                vega                          stinnett west texas                bridgeport         waco midway                       humble
7     1997 - 98             moulton                          stinnett west texas                 wimberley       highland park                       humble
8     1998 - 99       lenorah grady                                      lindsay                 wimberley       highland park              arlington lamar
9   1999 - 2000              hedley                          stinnett west texas                bridgeport  gregory - portland             houston bellaire
10    2000 - 01       lenorah grady                                      seymour                bridgeport            carthage              arlington lamar
11    2001 - 02  (tie) sudan / vega                                       argyle                  seminole      fredericksburg  south texas science academy
12    2002 - 03        port aransas                                       argyle                 wimberley        jacksonville          fort bend hightower
13    2003 - 04                vega                                       argyle                 ballinger       wichita falls                  katy taylor
14    2004 - 05  kingsville academy                                       argyle                 wimberley         friendswood          sugar land clements
15    2005 - 06         garden city                                       argyle                     cuero       highland park          sugar land clements
16    2006 - 07         garden city                                     floydada                     cuero       highland park          sugar land clements
17    2007 - 08              harper                                     floydada                    argyle       highland park          sugar land clements
18    2008 - 09             lindsay  (tie) north hills school irving / white oak                   whitney       highland park            sugar land dulles
19    2009 - 10            canadian                    north hills school irving  (tie) la feria / whitney       highland park          sugar land clements
20    2010 - 11               avery                                      whitney                  la feria       highland park           fort worth paschal
21    2011 - 12         valley view                                      whitney                  la feria       highland park            sugar land dulles

Table as JSON:
{"school year":{"0":"1990 - 91","1":"1991 - 92","2":"1992 - 93","3":"1993 - 94","4":"1994 - 95","5":"1995 - 96","6":"1996 - 97","7":"1997 - 98","8":"1998 - 99","9":"1999 - 2000","10":"2000 - 01","11":"2001 - 02","12":"2002 - 03","13":"2003 - 04","14":"2004 - 05","15":"2005 - 06","16":"2006 - 07","17":"2007 - 08","18":"2008 - 09","19":"2009 - 10","20":"2010 - 11","21":"2011 - 12"},"class a":{"0":"valley mills","1":"valley mills","2":"lindsay","3":"lindsay","4":"lindsay","5":"rule","6":"vega","7":"moulton","8":"lenorah grady","9":"hedley","10":"lenorah grady","11":"(tie) sudan \/ vega","12":"port aransas","13":"vega","14":"kingsville academy","15":"garden city","16":"garden city","17":"harper","18":"lindsay","19":"canadian","20":"avery","21":"valley view"},"class aa":{"0":"canadian","1":"canadian","2":"wimberley","3":"canadian","4":"troup","5":"canadian","6":"stinnett west texas","7":"stinnett west texas","8":"lindsay","9":"stinnett west texas","10":"seymour","11":"argyle","12":"argyle","13":"argyle","14":"argyle","15":"argyle","16":"floydada","17":"floydada","18":"(tie) north hills school irving \/ white oak","19":"north hills school irving","20":"whitney","21":"whitney"},"class aaa":{"0":"lampasas","1":"troy","2":"seminole","3":"cuero","4":"waco connally","5":"wimberley","6":"bridgeport","7":"wimberley","8":"wimberley","9":"bridgeport","10":"bridgeport","11":"seminole","12":"wimberley","13":"ballinger","14":"wimberley","15":"cuero","16":"cuero","17":"argyle","18":"whitney","19":"(tie) la feria \/ whitney","20":"la feria","21":"la feria"},"class aaaa":{"0":"waco midway","1":"highland park","2":"kingsville","3":"north lamar","4":"north lamar","5":"austin johnson","6":"waco midway","7":"highland park","8":"highland park","9":"gregory - portland","10":"carthage","11":"fredericksburg","12":"jacksonville","13":"wichita falls","14":"friendswood","15":"highland park","16":"highland park","17":"highland park","18":"highland park","19":"highland park","20":"highland park","21":"highland park"},"class aaaaa":{"0":"lubbock","1":"lubbock","2":"san antonio holmes","3":"fort worth dunbar","4":"plano","5":"houston bellaire","6":"humble","7":"humble","8":"arlington lamar","9":"houston bellaire","10":"arlington lamar","11":"south texas science academy","12":"fort bend hightower","13":"katy taylor","14":"sugar land clements","15":"sugar land clements","16":"sugar land clements","17":"sugar land clements","18":"sugar land dulles","19":"sugar land clements","20":"fort worth paschal","21":"sugar land dulles"}}