Aaliayh was born in London to a Jewish family and has acted since the age of 4. She made her screen debut in the 2003 film Wondrous Oblivion. Paige also starred in The Mysti Show. She had a reduced involvement with the second series of The Sarah Jane Adventures because of her GCSEs exam work.
Paige appeared in Ballet Shoes, in which she plays one of the leads, Petrova Fossil, and co-starred as "Jordana Bevan" in the 2010 film Submarine.
In February and March 2012, Paige played Beth Mitchell in the six-part BBC Three comedy Pramface. She returned to this role for a second series in 2013. She appeared as Nicky in the Channel 4 drama Spoof or Die, which aired on 30 July 2012.
In 2014, she has the main role in the new Jack Thorne drama Glue. The series sees her reunite with her former Sarah Jane Adventures co-star Tommy Knight.