- Sao Paulo Advanced School on Multi-Messenger Astrophysics, Sao Paulo (Brazil) 29 May - 7 June 2023
- XXXI Giornate di Studio "Bonaudi e Chiavassa" sui Rivelatori, Cogne (Italy) 26 - 30 June 2023
- Neutrino physics, astrophysics and cosmology, Villa Monastero - Varenna (Italy), 27 June - 6 July 2023
- INSS 2023, 14th International Neutrino Summer School, Fermilab 7-18 August 2023
- Invisibles23 School, Bad Honnef 21 - 26 August 2023
- 18th CERN-Fermilab HCP Summer School, CERN 22 - 31 August 2023
- IXPE X-ray polarimetry Summer School, Pisa (Italy) 11-15 September 2023.
- Gran Sasso Hands-On PhD School on Astroparticle Physics, National Gran Sasso Laboratory (L’Aquila, Italy) 25 September - 6 October 2023
- Theory meets Experiments - GGI PhD School, GGI (Arcetri Firenze, Italy) 20 - 24 November 2023
- RD51 Micro Pattern Gaseous Detectors School, CERN 27 November - 1 December 2023
