This descriptive research method design explored how Saudi EFL female students value their teachers’ use of 21st Century Skills and how these skills improve their language skills. Two closed-item questionnaires were designed for two data collection phases and distributed to EFL female students in the Preparatory Year Programme (PYP) at Taibah University, Saudi Arabia: 548 students in phase one and 226 in phase two. The results revealed that the participants valued their teachers’ 21st Century skills very positively, ranking all items in the questionnaire “excellent”. Moreover, the results indicated that “life and career” skill set and its sub-dimension “social and cross-cultural skills” obtained the highest mean scores. The results emphasized the improvement of students’ language skills, particularly vocabulary and speaking skills, that contributed was to EFL teachers’ implementation of 21st Century skills.