Absolutely. In fact, there is a renowned history of Shaolin nuns who were phenomenal martial artists. The founder of Wing Chun, the style of Kung Fu that Bruce Lee studied, was a Shaolin nun.
The techniques developed in Shaolin Kung Fu were designed for a smaller practitioner to defeat a larger more powerful attacker through superior skill, strategy and technique. Studying Shaolin is the perfect preparation for a woman seeking effective and universal self-defense skills.
In addition, the class environment at the school is open and accepting: there is no separation of men and women in the training, sparring and learning. All students who train at the school have access to the same opportunities and challenges.