Not much is known about her husband, Gabriella's dad, except for the fact that he taught Gabriella how to waltz when she was a little girl. She is one of the few characters who instantly approve Troy Bolton and Gabriella's relationship, unlike her daughter's friends. She apparently moves a lot with her job because it was after she was transferred to Albuquerque that her daughter was soon reunited with Troy after they sang together.
High School Musical
Due to her job, she moves to New Mexico, and takes her shy daughter to her new high school East High. Gabriella mentions her mom busy doing up the house. Lisa seems to be very fond of Troy when he comes to her hosue to speak to Gabriella. She tells Troy that Gabriella is busy but smiles at Troy and looks at him up and down because he's very attractive when she closes the door. She attended the Scholastic Decathlon match between East High and West High but was forced to leave the room when Taylor McKessie (Gabriella's best friend) and Gabriella purposely created a stinky chemical reaction in order for Troy and Gabriella to make the callbacks on time. However, she also saw her daughter sing Breaking Free with Troy right after that and was very proud of her for it.
High School Musical 3: Senior Year
Lisa does not appear in the second movie, in the third movie she is also very proud of Gabriella being accepted to Stanford University as seen in High School Musical 3: Senior Year as they had been talking about it since Gabriella's birth. However, Gabriella says that it was embarrassing to her that her mother wouldn't stop talking about it. Lisa does not agree with her daughter when she suggests taking a year off after high school. As Gabriella's graduation approaches, Lisa puts the house up for sale. Lisa is also shown to be very good friends with Troy's mom Lucille.