Lowering Tackle Height Cuts Concussion Rates - What Schools Must Know

Key takeaways

• A new study published this week confirms that lowering the legal tackle height in rugby produces a sharp decline in concussion rates.
• The research adds to a growing body of evidence from the IRFU two-season trial and World Rugby's 2025 community game recommendation.
• The findings apply most clearly to adult community rugby; the picture for schoolboy rugby is more nuanced and contested.
• Schools do not yet face a mandatory rule change, but the direction of travel in grassroots guidance is clear.
• Good concussion management, including identification, graduated return to play, and documented protocols, remains essential regardless of rule changes.

A new study, covered this week by The Conversation, reports that lowering the permitted tackle height in rugby led to a sharp decline in concussion rates among players. The finding matters for anyone running rugby at school or club level in the UK, not because it mandates an immediate rule change at grassroots level, but because it strengthens the evidence base that is already pushing World Rugby and national unions toward reform. Here is what school sports staff need to understand about the research, the current rules, and what practical steps make sense right now.

What did the new study actually find?

The study examined the effect of lowering the legal tackle height on concussion incidence. The central finding is that when players are required to tackle below the sternum or armpit line, concussion rates fall significantly compared to periods when higher contact was permitted.

This is not an isolated result. It aligns with the IRFU two-season tackle behaviour trial, whose results were reported in November 2025 and showed a meaningful reduction in head contacts when lower tackle technique was adopted consistently at community level. World Rugby followed in December 2025 by recommending that a lower tackle height be written into community game law across its member unions.

The mechanism is straightforward: most concussions in rugby occur through contact to the head, either directly or through the tackled player's falling motion. When tacklers target lower on the body, the probability of incidental head contact drops.

Does this apply to school rugby in England?

This is where precision matters, because the evidence picture is not uniform across age groups.

The new study, like the IRFU trial before it, is primarily drawn from adult community rugby. An earlier piece of research - covered on this site in June 2026 - found that lowering the tackle height reduced concussion rates in adult matches but produced a more complex picture in schoolboy rugby, with some evidence of a compensatory increase in other injury types as younger players adjusted technique.

The RFU's current position, based on the evidence available to date, is that mandatory lower tackle height rules for school rugby in England have not been introduced. What has changed is the guidance around coaching technique. The RFU's HEADCASE programme and its affiliated coaching resources increasingly emphasise lower body position and reduced head exposure as a training principle, even where the formal law has not yet shifted.

School sports leads should therefore distinguish between two things: the coaching of technique (where lower contact is already encouraged) and the formal law change (which has not yet reached compulsory school level in England). The two are moving in the same direction; they are just not yet at the same point.

Why is the evidence particularly relevant for schools right now?

The new study matters for schools for three reasons beyond the immediate finding.

First, it adds weight to a regulatory direction of travel that school rugby programmes should anticipate. World Rugby's December 2025 recommendation to national unions is a signal, not a final instruction. National unions typically take 12 to 24 months to translate such recommendations into law changes at community and school level. Schools that wait for the law to change before adjusting coaching practice will be behind the curve.

Second, the research reinforces why concussion identification and management protocols cannot be treated as a fallback for inadequate prevention. Rule changes may reduce concussion incidence; they will not eliminate it. A player sustaining a head impact under a lower tackle regime still needs to be identified, removed, and managed through the graduated return to play pathway correctly.

Third, parents are increasingly aware of this research. School sports staff can expect more questions about rugby concussion this autumn than in previous seasons. Having a clear, evidence-informed position is both a safeguarding and a communications necessity.

What does "lower tackle height" actually mean in practice for coaches?

The precise definition varies between the trial context and coaching guidance, but the consistent principle is that the tackler's head and shoulders should target below the ball carrier's hip or upper thigh, with the head going to the side of the body rather than in front of it.

World Rugby's Tackle Ready coaching framework sets out the progressions in detail. The key coaching cues are:

1. Eyes up and on the target zone (lower body).
2. Drive from the legs, not the upper body.
3. Cheek to cheek contact (tackler's face against the side of the ball carrier's body, not in the chest or head path).
4. Wrap low and drive through.

For school coaches, the practical implication is to audit training sessions now. If contact drills routinely involve upright tackle technique that targets the chest or shoulder of the ball carrier, that is the area to address. This does not require waiting for a law change.

What should school sports leads do now?

The evidence is moving faster than the formal rules. The proportionate response for school sports leads is not to ban higher tackles immediately (the law has not changed) but to take three practical steps.

Review coaching technique across all year groups. Use the RFU HEADCASE resources and World Rugby Tackle Ready as reference points. Lower body targeting should already be the coaching norm; if it is not, this is the moment to correct that.

Ensure your concussion protocol is current and documented. Rule changes reduce risk; they do not remove the need for a robust response when a head impact does occur. The UK Concussion Guidelines for Grassroots Sport (Sport and Recreation Alliance, November 2024 update) set the standard for removal, stand-down, and return to play. If your school's documented protocol does not reflect those guidelines, that gap needs addressing before next season.

Prepare communications for parents. The new study will generate media coverage and parent questions. A brief, factual summary of what your school already does, grounded in the current guidelines and coaching approach, is better preparation than a reactive response to an anxious email.

Where does rule change sit relative to broader concussion management?

The tackle height evidence is genuinely encouraging. A structural reduction in head contacts during play is a meaningful step, and schools should welcome the direction of travel.

But it is worth being clear about what rule change does and does not do. It is one layer of a layered system. Players will still fall awkwardly. Accidental head contacts will still occur. The graduated return to play pathway, baseline testing, symptom recognition, and documentation of every concussion event remain as necessary as they were before the new research.

Luca's clinician-led platform supports schools through that full pathway, from sideline identification to clinical clearance, and produces the documented record that school governors, inspectors, and insurers are increasingly asking for. The science on prevention is improving; the case for rigorous management of every incident that does occur is unchanged.

Photo: Christophe95, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons.

Sources

1. The Conversation. Lowering tackle height in rugby led to sharp decline in concussion rates - new study. (June 2026) https://theconversation.com/lowering-tackle-height-in-rugby-led-to-sharp-decline-in-concussion-rates-new-study
2. IRFU. IRFU Tackle Behaviour Trial Results. (November 2025) https://www.irishrugby.ie/
3. World Rugby. Player Welfare - Concussion and Tackle Ready. https://www.world.rugby/the-game/player-welfare/concussion
4. Sport and Recreation Alliance. UK Concussion Guidelines for Grassroots Sport (November 2024 update). https://sportandrecreation.org.uk/files/uk-concussion-guidelines-for-grassroots-non-elite-sport---november-2024-update-061124084139.pdf
5. England Rugby. HEADCASE Concussion Programme. https://www.englandrugby.com/run/player-welfare/headcase

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If you run rugby at school level, now is the time to benchmark your concussion protocol against a documented, clinician-led standard. The Luca Safe Concussion Framework is free to download and implements the UK Grassroots Concussion Guidelines across seven operational domains, giving school sports leads, governors, and parents a clear picture of where your school stands.