PBB Teen Edition 4 housemate, Claire Bercero, dubbed the “Cindi-Rebel ng Makati,” this half-Filipino, half- French was once an out of school youth after she dropped out of third year high school. A self-confessed rebel, she tried vices at a young age after her parents separated.

Clodet Loreto dubbed the "Prangkang Chicka Teen ng Davao" of Pinoy Big Brother Teen Edition 4. Clodet is the youngest contestant to enter the Big Brother House. An achiever at school, Loreto is a student government officer and a scholar, in addition to being a top orator in her school. She joined PBB to help her parents who sell slippers.

Pinoy Big Brother Teen Edition 4 housemate Mariz Raneses has been dubbed as the "Inday Husay ng Cebu." Raneses decided to be a working high school student so she could help pay for her schooling. With five siblings, she works as a househelper.

Karen Reyes is an official housemate of Pinoy Big Brother Teen Edition 4. While she is dubbed the “Hagikgik Chick ng Mindoro” for her cheerful disposition, Reyes has had a lonely past since her father died due to traffic altercation.

Pinoy Big Brother Teen Edition 4 housemate Myrtle Sarrosa has been dubbed as the "Cosplay Cutie ng Iloilo." Sarrosa said dressing up as anime characters is her way of expressing herself. Sarrosa is an accounting student at the University of the Philippines Iloilo and is also the Sangguniang Kabataan chairman in their area.

Pinoy Big Brother Teen Edition 4 housemate Jyra Agpangan dubbed as the “Double Biba of Bacolod” with twin sister Joj. Binanggit niya na participating in bonding activities with her family and friends ang isa sa kaniyang mga paboritong gawin. Dancer, school pep squad at theatre guild member si Jai and these activities are a perfect fit to her personality.

Pinoy Big Brother Teen Edition 4 housemate Joj Agpangan dubbed as the “Double Biba of Bacolod” with twin sister Jyra. . President ng kanilang school drama guild at isa ring member ng pep squad si Joj at ito na rin siguro ang nag-enhance sa natural charm at bubbliness ng dalagita.

Pinoy Big Brother Teen Edition 4 housemate Angelika Javier has been dubbed as the "Ala-Anghel ng Batanga," Javier stands 5-foot-6 and with her morena features has won several beauty pageants in her area. She is also a good dancer and is her school's bet for competitions in ballroom, folk dance and hip hop.

Kit Thompson – PBB Teen Edition 4 housemate dubbed as “Kid Tangkad of Pampanga,” Thompson stands at a whopping 6-foot-1. His father hails from New Zealand, while his mother is a Filipina. A self-confessed former playboy, he said he misses his mother.

PBB Teen Housemate Alec Dungo was dubbed as the “Chinito Gwapito of Laguna.” He is a pharmacy student at the University of Santo Tomas and a campus heartthrob who has joined numerous provincial and school pageants. The Chinese-Filipino student tried out for “PBB” twice before and has finally fulfilled his dream of becoming a housemate.