Evaluation of the Switch-on reading intervention

A three-arm cluster-randomised controlled trial of two variants of Switch-on, an intensive reading intervention, delivered to 7-8 year-old pupils that did not reach the required reading level at the end of Key Stage 1

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN64088368

Enrollment

1500

Registered

2016-07-26

Start date

2015-08-01

Completion date

Unknown

Last updated

2017-10-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Low reading skills among 7-8 year old pupils Not Applicable Low reading skills among 7-8 year old pupils

Interventions

Switch-on is an intensive ten-week literacy intervention targeted at children not demonstrating age-expected levels at primary school. It aims to enable children to ‘participate more fully in the clas

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Pupils in Year 3 (aged 7-8 years) 2. Reading age at the end of Key Stage 1 fell short of expected standards (according to teacher assessment)

Exclusion criteria

Exclusion criteria: Based in schools implementing a whole-school Reading Recovery (another intensive reading intervention)

Design outcomes

Primary

Measure	Time frame
Reading skills, measured through the Hodder Group Reading Test (HGRT) at the end of the intervention period	—

Secondary

Measure	Time frame
No secondary outcome measures	—

Countries

United Kingdom

Contacts

Public ContactNico Jabin

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026