Students seeking enrolment into Years 8 to 11 will be coordinated through the school, and must also sit for the Australian Council of Educational Research (ACER) Higher Ability Selection Test.

Manly Campus tops the Northern Beaches on Merit List Rankings in the NSW Higher School Certificate (HSC), and came eighth in the state in 2014.

In 1945, the school moved to the site of the current Balgowlah Boys Campus, and in 1949 had expanded to include senior years.

Manly High was granted selective status in 1990 and was incorporated into the Northern Beaches Secondary College at its founding and given its current name in 2002.

This bushland is some of the last remaining native Sandstone Heath east of Pittwater Road in Warringah, however sections of it are highly degraded by weeds such as lantana and asparagus fern.

In recent years there has been an increasing effort to rehabilitate the heath back to pre-European quality, and in late 2006 many of the pine trees which had seeded in the bushland were removed.