Katherine Warington School | Secondary with sixth form in Harpenden, St Albans | Ofsted & DfE

76%

GCSE 9–4 · 2024/25

60%

GCSE 5+ · 2024/25

54.8

Attainment 8 · 2024/25

27%

EBacc entry · 2024/25

839.4

EBacc APS · 2024/25

1,017

Pupils · 2024/25

EAL · 2024/25

16%

Persistent abs. · 2024/25

76%

GCSE 9–4 · 2024/25

60%

GCSE 5+ · 2024/25

54.8

Attainment 8 · 2024/25

27%

EBacc entry · 2024/25

839.4

EBacc APS · 2024/25

1,017

Pupils · 2024/25

EAL · 2024/25

16%

Persistent abs. · 2024/25

76%

GCSE 9–4 · 2024/25

60%

GCSE 5+ · 2024/25

54.8

Attainment 8 · 2024/25

27%

EBacc entry · 2024/25

839.4

EBacc APS · 2024/25

1,017

Pupils · 2024/25

EAL · 2024/25

16%

Persistent abs. · 2024/25

Ofsted inspection

Good

Ofsted inspection · 28/02/2024

Inadequate

Requires improvement

Good

Outstanding

Local authorityHertfordshire

PhaseSecondary with sixth form with sixth form

School typeAcademy

Pupil : teacher ratio18.0:1

Admissions—

Religious character—

StatusOpen

Overview of Katherine Warington School · Secondary with sixth form · Hertfordshire

Part ofHARPENDEN SECONDARY EDUCATION TRUST

How does this school perform?

Key Stage 4 · 2024/25 · trend since 2021/22

GCSE 9–4 incl. Eng & maths

76%

+1pp

76%76%75%

'24'25

'25 · 76%

GCSE 5+ incl. Eng & maths

60%

+1pp

60%59%58%

'24'25

'25 · 60%

Attainment 8

54.8

+0.8

54.854.454.0

'24'25

'25 · 54.8

EBacc entry

27%

+6pp

27%24%21%

'24'25

'25 · 27%

EBacc APS

839.4

+29.1

839.4824.8810.3

'24'25

'25 · 839.4

View full history

Pupils & context

2024/25

Pupils on roll

1,017

Pupil : teacher ratio

18.0

Workforce data · 2025/26

EAL

FSM eligible

17%

SEN

19%

Overall absence

Persistent absence

16%

Contact

Address

Lower Luton Road, Harpenden, AL5 5FH

Local authority

Hertfordshire

Website

www.kwschool.co.uk

Telephone

01582314777

—

History

All years · Historical DfE data by academic year

Secondary — Key Stage 4

GCSE attainment and Progress 8 — how pupils progressed from KS2 to KS4.

Year	GCSE 9–4	GCSE 5+	Attainment 8	Progress 8	EBacc entry	EBacc APS	EBacc lang entry	Cohort
2024/25	76%	60%	54.8	Not applicable	27%	839.4	46%	1,017
2023/24	75%	58%	54.0	+0.48	21%	810.3	45%	923
2022/23	Suppressed	Suppressed	Suppressed	Suppressed	Suppressed	Suppressed	Suppressed	744
2021/22	Not published	Not published	Not published	Not published	Not published	Not published	Not published	537

Pupils & absence

Year	Pupils	Pupil:teacher	SEN	EAL	FSM ever	Absence	Persistent absence
2024/25	1,017	17.7	19%	7%	17%	7%	16%
2023/24	923	18.6	13%	6%	15%	7%	18%
2022/23	744	18.3	16%	6%	17%	7%	15%
2021/22	537	19.8	19%	4%	18%	6%	15%
2020/21	359	19.7	18%	5%	20%	—	—