The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Sweet,D M (1 member)
- Tamoliūnė, G (1 member)
- Tax (1 member)
- Teacher Education (4 members)
- Teacher training (4 members)
- Theater (3 members)
- Theology (1 member)
- Theory (1 member)
- Thermodynamics (0 members)
- Thomas, T (3 members)
- Thorndike-Breeze, R (1 member)
- Threshold concept (14 members)
- Thurner, V (3 members)
- Timmermans, J A (1 member)
- Tingerthal, J (2 members)
- Transcript (5 members)
- Treadwell, B (1 member)
- Trice, M R (1 member)
- Tucker, V M (2 members)
- Underwood, M (2 members)
- Van Jaarsveldt, D (1 member)
- Venner, C H (1 member)
- Verkest, H (1 member)
- Verpoorten, D (0 members)
- Video (6 members)
- Visual description (1 member)
- Visual literacy (1 member)
- Vörtler, S (0 members)
- Waldherr, F (2 members)
- Wallace, J (3 members)
- Walter, C (3 members)
- Weller, N (1 member)
- Westbrook, K (1 member)
- White, A F (1 member)
- Wietelman,K Y (1 member)
- Wilkinson, A (2 members)
- Wilmot, J (1 member)
- Wilson, G (0 members)
- Wirthgen, S (0 members)
- Wishkoski, R (1 member)
- Wolf, P (0 members)
- Woods, T A N (1 member)
- Writing across the curriculum (1 member)
- Wuetherick, B (1 member)
- Yeo, M (7 members)
- Zehetmeier, D (3 members)
- Zettel, S (1 member)
- Zhang, C (1 member)
- Zhu, C (1 member)
- Zolan, M (1 member)
