Table: northern state conference (ihsaa)
[['school (ihsaa id)', 'location', 'mascot', 'county', 'year joined', 'year left', 'conference joined'], ['delphi', 'delphi', 'oracles', '08 carroll', '1954', '1956', 'hoosier'], ['knox', 'knox', 'redskins', '75 starke', '1954', '1963', 'independents'], ['morocco', 'morocco', 'beavers', '56 newton', '1954', '1958', 'independents'], ['north judson', 'north judson', 'blue jays', '75 starke', '1954', '1963', 'independents'], ['rensselaer central', 'rensselaer', 'bombers', '37 jasper', '1954', '1958', 'independents'], ['bremen', 'bremen', 'lions', '50 marshall', '1958', '1962', 'independents'], ['jimtown', 'elkhart', 'jimmies', '20 elkhart', '1958', '1963', 'independents'], ['washington - clay', 'south bend', 'colonials', '71 st joseph', '1958', '1963', 'independents']]
Statement: Delphi , Knox , Morocco , North Judson , and Rensselaer Central all Joined a Conference in the Year 1654
Statement: all school Joined an Independent Conference , except Delphi who Joined the Hoosier Conference
Statement: 3 school were in a Conference for only 4 Year
Statement: out of the 8 school listed , 4 school have an animal for their Mascot
Statement: North Judson remained in a Conference for 9 Year longer than Delphi