CompetitionCERN (with DESY and ELSA)

CERN Beamline for Schools 2027 (propose a particle physics experiment)

Beamline for Schools is a physics competition in which teams of secondary school students propose an experiment to run on a particle accelerator beamline. Winning teams travel to CERN, DESY or the ELSA accelerator in Bonn to carry out their experiment. The 2027 edition has not yet opened; proposals can be submitted from December 2026.

At a glance

Run by
CERN (with DESY and ELSA)[1]
Who it’s for
Teams of students in high or secondary school, or in the gap between school and university, coached by a teacher. Students must be aged 16 or over on the day the proposal is submitted; there is no age limit for taking part, but only students aged 16 or over on the first day of the stay can travel if the team wins.[2]
Entry
A teacher or school enters
Worth
Winning teams perform their experiment at a fully equipped beamline; travel, accommodation and experimental equipment are covered. All eligible proposals receive a participation certificate.
Cost
Participation in the competition is completely free of charge for all eligible students, teachers, and schools worldwide.[3]
Year groups
Year 12, Year 13
Where
UK-wide (Online proposal; experiments at CERN (Geneva), DESY (Hamburg) or ELSA (Bonn))
Format
Hybrid
Funding
Bursaries or funding available

Sources

4 sources
  1. CERN

    Beamline for Schools

    2027 edition will be announced soon.

    Checked 24 October 2026

  2. CERN

    BL4S FAQs

    For data privacy reasons, students need to be aged 16 years or older on the day that the team coach submits their proposal.

    Checked 24 October 2026

  3. CERN

    Beamline for Schools

    Participation in the competition is completely free of charge for all eligible students, teachers, and schools worldwide.

    Checked 24 October 2026

  4. CERN

    How to take part in BL4S

    From December 2026, you can submit your proposal

    Checked 24 October 2026

Details checked by the Born to Engineer editorial team. Always confirm dates on the provider’s site before applying.

Not open yet

Proposals can be submitted from December 2026; the 2027 deadline is shown as "XX March 2027" (date not yet published)[4]

Visit beamlineforschools.cern (opens in a new tab)