Impromptu: Amplifying Our Humanity Through AI and there’s no thesis in this whole essay.’ I mean, that’s one-on-one feedback.” NYT interviewer: “Yeah.” Ms. Shields: “It would take me about a week to get through—I have eighty essays to do at a time. So about a week later, I get to give them [the students] feed- back. But this is going to give them instant feedback . . . I’ll say, ‘Have this evaluate your essay for ideas and content, or for sentence structure, or for organization, and then go ahead and take that feedback—that per- sonalized feedback—and improve your essay.’” NYT interviewer: “That’s amazing.” Ms. Shields: “Yeah.” The ratio of students to teachers in K–12 education in America is 15:1. Since that includes a great deal of special education and other 1:1 staffing situations, many high school English teachers will have thirty or more students in a classroom, and must give feedback to over a hundred students at a time. This can amount to twenty or more hours of extra work per week. Immediate personalized feedback for every student essay, even if imper- fect, could transform the work experience of English teachers around the country. And tenth-grade English essays may be just the start. Reid: GPT-4, give short examples—not including the example of generating immediate essay feedback—of how large language models could help teachers get leverage and deliver great instruction to large classes of students. 38