What type of teacher is Ryland Grace before his space mission?

Ryland Grace is a middle school science teacher before his space mission in Project Hail Mary.

Grace is not initially presented as a career astronaut. He has a PhD in molecular biology and previously worked as a scientist, but he leaves that field after a dispute over scientific ethics. When the astrophage crisis threatens Earth, Eva Stratt recruits him because of his scientific background and ability to explain complex ideas clearly.

His teaching experience becomes crucial aboard the Hail Mary. Grace must investigate unfamiliar biology, solve engineering problems, and communicate scientific discoveries under extreme pressure. The story’s contrast between ordinary classroom teaching and interstellar problem-solving is central to his character.

The wording can cause confusion because Grace is also a former molecular biologist, and some summaries describe him as a junior-high or middle-school teacher. Those labels refer to the same educational level in different English-speaking usage; the fair quiz answer is “middle school science teacher.”