Context Data were collected by questionnaire. It is based on real-time research in the Nottingham Trent International College. It intends to help researchers to discover factors that affect students' time management skills. Content The dataset includes the information of students such as age, sex, nationalities, studying programmes (Foundation, International Year One, Pre-Master’s and Language Only), academic marks, language course marks and attendance. Also, students' answers to the time management skill related questions are displayed. Sheet 2 shows the different scores of the questions. Acknowledgements Data were collected by DarwinLi who studied in the NTIC and completed a time management skill related project during the training process. Inspiration Does gender affect time management performance? Does age affect time management performance? Do academic marks affect time management performance? There are many different ways to explore the data.