Paulina Waski was born in Greenwich, Connecticut and began her ballet training at the age of seven under the guidance of ABT alumni, Denise Lewis and Mark Grothman in Connecticut. In 2006, Waski began attending American Ballet Theatre's Summer Intensive programs in NYC, and was invited to join the ABT Jacqueline Kennedy Onassis School that same year. At age 12, Waski placed in the top twelve at the 2008 Youth American Grand Prix, junior division in Philadelphia. The following year Waski accepted her invitation to join the JKO School under the direction of Franco De Vita and Raymond Lukens. Waski was awarded the Laura and James Rosenwald Scholarship in 2010 and the 2010-2011 Scünci National Training Scholarship for ABT's New York Summer Intensive.
While at the ABT JKO School, Waski performed the principal role in Susan Jaffe's world premiere of We Insist at the 2011 Spring Performance. She also danced soloist roles in excerpts from Les Sylphides, Coppélia, Raymond Lukens and Franco De Vita's Jerusalem Divertissement, and pieces choreographed by Jessica Lang and Kanji Segawa. Waski's roles with the ABT Studio Company included performing at The Kennedy Center in Washington D.C. as part of The Presidency of John F. Kennedy: A 50thAnniversary Celebration. Her roles also included Canzonetta pas de deux in Antony Tudor's Soirée Musicale, and a soloist role in August Bournonville's Napoli.
In October 2011, at age 16, Waski joined the main Company as an apprentice and became a member of the corps de ballet in May 2012. Her roles with the Company include the lead d’jampe and pas d’action in La Bayadère, one of the Nutcracker’s Sisters in The Nutcracker, a Carnival Dancer in Othello, the Fairy Candide (Sincerity) and the Sapphire Fairy in The Sleeping Beauty, a big swan in Swan Lake and roles in Bach Partita, Jardin aux Lilas and Raymonda Divertissements. In 2015, Waski was invited to perform as a guest artist dancing the role of Giselle in a full-length production of Giselle under the direction of Xiomara Reyes and Rinat Imaev for Studio to Stage at The Hartt School.