<P> Sister Helen ( Miriam Flynn ) is the nun and principal at Lily , Jimmy , and Henry 's school . She frequently tries to tell Sean and Claudia how to raise their kids , whom she is always berating at school ( Lily 's skirts are too short , Jimmy 's hair is too long , etc . ) . Sean once caused her to use the F - word . </P>
<P> Sister Helen ( Miriam Flynn ) is the nun and principal at Lily , Jimmy , and Henry 's school . She frequently tries to tell Sean and Claudia how to raise their kids , whom she is always berating at school ( Lily 's skirts are too short , Jimmy 's hair is too long , etc . ) . Sean once caused her to use the F - word . </P>
who played the nun on grounded for life
who played the nun on grounded for life
Miriam Flynn
Miriam Flynn