This article addresses the complexities and psychometric challenges facing
efforts to devise a standards-based performance assessment of teaching that
is appropriate for teachers in a wide variety of contexts and that also sa
tisfies psychometric considerations of reliability and validity. in particu
lar, the question of whether a general assessment of; teaching practice can
be sufficiently comprehensive to honor and recognize accomplished cultural
ly relevant pedagogy is considered. Drawing upon the experience of the Nati
onal Board far Professional Teaching Standards, it is argued that such an a
ssessment, although presenting enormous technical challenges, is both possi
ble and practically attainable.