Within the context of sexuality education as an HIV prevention strategy, much attention has been given to "what" content should be taught and the effectiveness of that content in achieving desired goals. While some research has problematised how curricular content is understood or taken-up, what remains largely unquestioned is a pedagogical imaginary of knowledge as a fixed and stable object that can be transmitted from teacher to learner. This paper builds on feminist readings of pedagogy, and in particular the work of Elizabeth Ellsworth, to interrogate what might happen within sexuality education by thinking about knowledge as continually being made. Drawing on data from a year-long ethnographic research study conducted with "loveLife," a national HIV prevention programme for young people in South Africa, the paper problematises the perceived boundaries of what is taught and explicitly engages the pedagogical approach as a constitutive part of what can/should/must be known as well as what kind of relation is offered to that knowledge. The question then is how sexuality education might be re-articulated to engage with ongoing and power-laden struggles within configurations of knowledge, and how a pedagogical approach might open those configurations to ways of knowing, and being known, that are more just for more people.