The $4.2 million Shea-Magrath Sports Complex, which includes the astroturf Testa Field, sits just to the south of the school.

It replaced Andrews Field, located 1/4 mile west of the school.

Norwalk High School also has a Science wing that was built in the mid-late 2000s.

The NHS Bears boys' soccer team won the 2002 FCIAC championship.

The NHS Bears outdoor track team won the FCIAC championship in 1967 and 1995.