Katherine Warington School, Harpenden

In 2026, pupils at Katherine Warington School averaged an Attainment 8 score of 50.6, the average grade across their best eight GCSEs. The average state school scored 50.6 in Hertfordshire and 47 across England.

55% passed English and maths at grade 5 or above, against 53% in Hertfordshire and 47% in England.

That is down from 54.8 in 2025.

Its most recent Progress 8 score, for 2024, was 0.48: pupils made above average progress compared with pupils nationally who started secondary school at the same level. Progress 8 was not published for 2026.

Disadvantaged pupils averaged an Attainment 8 of 31.3, against 54.3 for other pupils at the school - a gap of 23 points.

Pupils sat GCSEs in 27 subjects; after English and maths, the most popular were Religious Studies, Combined Science and Geography.

For September 2026 entry, 139 families put Katherine Warington School as their first choice and 631 named it as one of their preferences, for 165 places offered. It had fewer first-choice applications than places. 23 families who put it first were not offered a place there.

The nearest other state secondary schools to Katherine Warington School are Sir John Lawes School (0.6 miles, Outstanding, Attainment 8 63.9); St George's School (0.9 miles, Outstanding, Attainment 8 65.6); Roundwood Park School (1.7 miles, Outstanding, Attainment 8 59.1); and Townsend Church of England School (3.4 miles, Good, Attainment 8 43.9).

Katherine Warington School's 2026 results were higher than 1 of these 4 schools.

Katherine Warington School is run by its own single-school academy trust.

Of the 175 pupils who finished Year 11 in 2023/24, 90% stayed in education or training for at least two terms, including 28% to a further education college, 2% to an apprenticeship and 1% into work.

12.6% of pupils are eligible for free school meals, well below the average state school (25%), and 7.5% speak English as an additional language, against 18.8% on average, according to the 2026 school census.

The largest ethnic groups are White British (72%), Mixed (10%) and Asian (5%).

The nearest railway station is Harpenden Rail Station, about 1 mile away in a straight line.

10 bus stops are within a five-minute walk; the closest is Katherine Warington School (outside), 130 metres away.

In August 2026, police recorded 56 crimes within a mile of the school, most often anti-social behaviour, violence and sexual offences and public order offences. That is well below the typical figure around schools in Hertfordshire (138).

In 2024/25, Katherine Warington School issued 160 suspensions, 15.7 for every 100 pupils (the average state school: 6.3), and 2 permanent exclusions.

The primary schools closest to Katherine Warington School are Sauncey Wood Primary School (0.4 miles), Crabtree Junior School (0.6 miles), Crabtree Infants' School (0.6 miles) and Manland Primary School (0.7 miles). Admission does not depend on which primary a child attends unless the school's policy names feeder schools.