They achieved their highest place to - date with a very good 4th place .
In 2007 National League Three was rebranded as the Rugby League Conference National Division and Celtic were one of six Yorkshire teams in the ten team league .
Celtic achieved Celtic 's highest place to - date with a very good 4th place .
In 2007 National League Three was rebranded as the Rugby League Conference National Division and Celtic were one of six Yorkshire teams in the ten team league .