| Clue | Source | Date |
|---|---|---|
| Contemporary | New York Times | 15 Mar 2025 |
| Contemporary | Thomas Joseph | 16 Oct 2024 |
| Contemporary | Thomas Joseph | 17 Feb 2024 |
| Contemporary | LA Times Daily | 09 Apr 2023 |
| Basis of comparison re primary school success | Newsday | 04 Mar 2023 |
| Contemporary | New York Times | 21 Sep 2019 |
| Contemporary | Thomas Joseph | 07 Sep 2019 |
| Contemporary | ||
| Contemporary | ||
| Contemporary | ||
| Peer |