Which of the following is NOT an allowable professional development strategy?

In this case, "None of the above" indicates that all the listed options are indeed allowable professional development strategies. Workshops, networking, and mentoring are widely recognized as effective methods for professional growth among educators and school administrators.

Workshops offer structured learning experiences that can enhance specific skills or provide knowledge on new educational strategies. Networking allows professionals to connect, share experiences, and learn from one another, which can inspire new ideas and approaches to education. Mentoring involves experienced individuals providing guidance and support to less experienced ones, facilitating personal and professional growth over time.

Since all of these strategies contribute positively to professional development, stating that "None of the above" are not allowable reinforces the idea that these options are valid and beneficial for ongoing learning and improvement within educational contexts.