He studied at, captained and represented Saint Kentigern College in rugby, generally playing centre.

[2] After graduating high school, In early 2016, he went to the University of Canterbury on a scholarship for a commerce degree, majoring in Business administration after getting snapped up by the Crusaders Academy side.

[3] He represented Canterbury in the Jock Hobbs Memorial National U19 tournament after returning from a 9-month ACL injury in September 2015.

[11] Ennor's performance for the Crusader Knights in 2017 saw him getting picked by the New Zealand under-20 for the Oceania Under 20 tournament in April 2017[12] after which he was named in the NZ u20 side for the 2017 World Rugby Under 20 Championship in Georgia.

While he wasn't selected for the 2019 Rugby World Cup, Ennor earned an initial re-call in 2020 under new Head Coach, Ian Foster.