@article{unimprovablestudentsandinequalityin,
  title = {Identifying and Quantifying (Un)Improvable Students},
  author = {Josue Ortega and Gabriel Ziegler and R. Pablo Arribillaga and Geng Zhao},
  year = {2024},
  eprint = {2407.19831},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2407.19831v4},
}