UAL wants to see a variety of mediums, creativity, and experimentation. They want to see your artistic skills, personality, and creative potential, so don’t include only 20 life drawings. UAL wants to see artworks that are relevant to your major, but they also want to see a range of work to show you’re open minded and you’re evolving artistically. You can include initial sketches, contextual references, and finished pieces in your portfolio submission. You can submit up to 45 artworks, and there is no minimum.
If you're selected for an interview, be prepared to talk about your process and inspirations. Have your sketchbooks on standby so you can show the documentation of your creative process.