Team A: Jonas, Baltramaitis, Max Brimmeyer, Jan Panuska

Team B: Anna Landers, Nicolas Bourg Rodrigues, Théodore Harf Wilwers

Mentor Biology: Jacques Pir

Mentor Chemistry: Gilles Backes

Mentor Physics: Frank Thillen

Country Coordinator: Gilles Backes

Team A: Leonard Caliskan, Severjan Delliehausen, Timon Pesendorfer

Team B: Carla Bachinger, Nikias Lykos, Johannes Prettenthaler

Mentor Biology: Christina Lassnig

Mentor Chemistry: Elisabeth Klaus

Mentor Physics: Elias Hohl

Country Coordinator: Christina Morgenstern

Team A: Casper Falconer, Leander Gabriël, Victor Mei

Team B: NN, NN, NN

Mentor Biology: Louis De Vos

Mentor Chemistry: Alexandre Marée

Mentor Physics: Bernadette Hendrickx

Country Coordinator: Victor Rasquin

Team A: Teodor Kussev, Raya Shikova, Boyan Tsenov

Team B: Andrey Dichev, Mira Dulevska, Alexander Nikolov

Mentor Biology: Kalina Pachedzhieva

Mentor Chemistry: Hristo Rasheev

Mentor Physics: Christina Andreeva

Country Coordinator: Christina Andreeva

Observer: Viktor Ivanov

Team A: Karlo Ahel, Jan Pavić, Jana Salajec

Team B: Leona Hajrizi, Karlo Stašić, Emanuel Vidović

Mentor Biology: Andreja Lucić

Mentor Chemistry: Đani Škalamera

Mentor Physics: Nikola Poljak

Country Coordinator: Tajana Begović

Observer: Danijel Namjesnik

Observer: Katarina Caput Mihalić

Team A: Kyriakos Dymiotis, Charalampos Filippou, Michalis Platanis

Team B: Konstantina Andreou, Giorgos Charalampous, Sophia Mackay Mitletton

Mentor Biology: Nikolas Genethliou

Mentor Chemistry: Ioannis Tsalavoutis

Mentor Physics: Georgios Tsalakou

Country Coordinator: Ioannis Tsalavoutis

Team A: Šárka Litvínová, Míla Tomášová, Václav Verner

Team B: Mustermann, Musterfrau, Musterfrau

Mentor Biology: Tereza Matějková

Mentor Chemistry: Jan Kotek

Mentor Physics: Jan Kříž

Country Coordinator: Jan Kříž

Team A: Camilla Tegllund Blaabjerg, Valdemar Groth Jakobsen, Jonas Soni

Team B: Karl Johan Ahlefeldt-Laurvigen, Christian Ferdinand Hallstein Rygaard, Regitze Müller

Mentor Biology: Hans Marker

Mentor Chemistry: Søren Blanke

Mentors Physics: Richard Cleyton & Lise Gade

Country Coordinator: Hans Marker

Observer: Tine Christiansen

Team A: Jan Hendrik Järvemets, Raul Pata, Kristofer Torokoff

Team B: Silvia Nafthal, Kaarel Toomet, Jasper Vähk

Mentor Biology: Lee Ann Madissoon

Mentor Chemistry: Jörgen Metsik

Mentor Physics: Mihkel Pajusalu

Country Coordinator: Mihkel Pajusalu

Team A: Miska Räihä, Janina Yilmaz, Omar Zidan

Team B: Dimitrios Georgiadis, Alexander Jaruta, Laura Matikkala

Mentor Biology: Minni Aalto

Mentor Chemistry: Nina Salminen

Mentor Physics: Janne Rantanen

Country Coordinator: Nina Salminen

Team A: Antoine Bablon, Marion Bourdoncle, Maxence Rovaris

Team B: Amandine Boisson, Nils Lorthios, Yoann Olive

Mentor Biology: Laurence Bosc

Mentor Chemistry: Mesude Bablon

Mentor Physics: Silvain Dury

Country Coordinator: Mesude Bablon

Team A: Leon Chen, Oliver Eckstädt, Vinzent Schultze

Team B: Linus Cebulla, Maxim Konkin, Max Pohland

Mentor Biology: Annabel Maisl

Mentor Chemistry: Jan Kruse

Mentor Physics: Konstantin Schwark

Country Coordinator: Burkhard Schroeter

Team A: Stylianos Nikolaos Antoniadis, Efthymios Stamoulis, Faidra Valetta

Team B: Alexandros Kaimakis, Promitheas Nikou, Dimitrios Toulis

Mentor Biology: Dimitra Kontostavlaki

Mentor Chemistry: Asterios Laskaridis

Mentor Physics: Christos Georgopoulos

Country Coordinator: Maria Tsakiri

Observer: Georgios Diplaris

Team A: Benedek Bencz, János Dániel Simon, Sára Réka Simonka

Team B: Artúr Bíró, Barnabás Kovács, Dorottya Szabó

Mentor Biology: Zsófia Edit Tóth

Mentor Chemistry: Tamás Szabó

Mentor Physics: Péter Vankó

Country Coordinator: Péter Vankó

Observer: Tamás Sarkadi

Team A: Sarah Bowen, Yitian Chen, Eoin Lai

Team B: Shane Loughlin, Stephanie Rimbi, Kai Seino

Mentor Biology: Keith Rochfort

Mentor Chemistry: Roisin Byrne

Mentor Physics: Paul van Kampen

Country Coordinator: Paul van Kampen

Team A: Riccardo Levan, Sasha Martinis, Domitilla Rodeano

Team B: Alessandro Landi, Filippo Mazzetti, Valentina Scala

Mentor Biology: Paolo Laveder

Mentor Chemistry: Paolo Centomo

Mentor Physics: Chiara Sirignano

Country Coordinator: Carmelita Cipollone

Observer: Raffaello Tedesco

Observer: Claudia Mirri

Team A: Pāvels Baks, Eliāna Meiere, Krišjānis Timermanis

Team B: Kristaps Lopatko, Pēteris Imants Mežciems, Arnolds Pīrāgs

Mentor Biology: Ilze Izabella Dindune

Mentors Chemistry: Mihails Haļitovs & Līga Prieciņa

Mentor Physics: Nauris Kaņka

Country Coordinator: Mihails Haļitovs

Team A: Kipras Deksnys, Emilijus Latakas, Tomas Razbadauskas

Team B: Titas Balčiūnas, Robertas Juknevičius, Kotryna Mieldažytė

Mentor Biology: Paulius Tamošiūnas

Mentor Chemistry: Kęstutis Baltakys

Mentor Physics: Tomas Kivaras

Country Coordinator: Paulius Tamošiūnas

Observer: Ramunas Skaudzius

Team A: Yubo Jochem Kistemaker, Robert Stepanyan, Kjeld Zwitserloot

Team B: Ralph de Boer, Matthijs Joshua Ruiter, Isaï Simcha Gerardus Bekkering

Mentor Biology: Anne de Rond

Mentor Chemistry: Tom Bloemberg

Mentor Physics: Andre Eppink

Country Coordinator: Jeroen Sijbers

Observer: Wendoline Timmerman

Observer: Carla de Groot

Team A: Tomás Faria, Rodrigo Marques, Gabriela Silva

Team B: Matilde Augusto, Afonso Benevides, Pedro Silva

Mentor Biology: Pedro Oliveira

Mentor Chemistry: José Esperança

Mentor Physics: João Cruz

Country Coordinator: Catarina Ramos

Observer: George-Alexandru Croitoru

Team A: Maj Bombek, Primož Markovič, Tisa Lombar

Team B: Luka Filak, Izadora Kopač, Anže Markovič

Mentor Biology: Katja Stopar

Mentor Chemistry: Matej Huš

Mentor Physics: Anita Nose

Country Coordinator: Katja Stopar

Team A: Carla Acosta García, David Lago Alonso, Rubén Lago Blanco

Mentor Biology: Alejandro Braña López

Mentor Chemistry: David José Meseguer Pardo

Mentor Physics: Jorge Molero Fernández

Country Coordinator: Jorge Molero Fernández

Team A: Ester Ekblad, Koen Ipsen, Adam Mehranrad

Team B: Olga Drapella, Oliver Palmkvist, Eric Thorburn

Mentor Biology: Birgitta Sang

Mentor Chemistry: Markus Nilsson

Mentor Physics: Benjamin Verbeek

Country Coordinator: Suheyla Demir

For organisational reasons (Spain is also only taking part with one team), Ukraine will start as « Team B »

Team B: Sviatoslav Lavrenyuk, Ivan Plieskov, Bohdan Shemetov

Mentor Biology: Zhanna Bilyk

Mentor Chemistry: Oleksandr Tolstov

Mentor Physics: Maksym Pashko

Country Coordinator: Yana Cheishvili