Hertfordshire secondary schools league table 2025

Secondary and all-through schools teaching Key Stages 3 and 4. Ranked by the Success Index (England) from official English data; 100 schools in Hertfordshire, East of England. Rank positions shown on each profile are within England and East of England.

#	School	Sector	Success Index (England)	Key result	Students
1	Dame Alice Owen's School Potters Bar · Secondary · Ages 11–18	Academy	97.4 Top 5%	72.9 Attainment 8	1,467
2	Abbot's Hill School Hemel Hempstead · All-through · Ages 0–16	Independent	96.0 Top 5%	68.8 Attainment 8	380
3	St Clement Danes School Rickmansworth · Secondary · Ages 11–18	Academy	95.1 Top 5%	65.1 Attainment 8	1,585
4	St George's School Harpenden · Secondary · Ages 11–18	Academy	94.6 Top 5%	63.7 Attainment 8	1,351
5	Sandringham School St Albans · Secondary · Ages 11–18	Academy	94.4 Top 5%	65.1 Attainment 8	1,777
6	Watford Grammar School for Boys Watford · Secondary · Ages 11–18	Academy	94.3 Top 5%	68.9 Attainment 8	1,590
7	Parmiter's School Watford · Secondary · Ages 11–18	Academy	94.2 Top 5%	66.5 Attainment 8	1,496
8	Hockerill Anglo-European College Bishop's Stortford · Secondary · Ages 11–18	Academy	94.1 Top 5%	61.7 Attainment 8	903
9	Avanti Grange Secondary School Bishops Stortford · Secondary · Ages 11–18	Academy	93.9 Top 5%	10% Free school meals	660
10	Watford Grammar School for Girls Watford · Secondary · Ages 11–19	Academy	93.9 Top 5%	68.2 Attainment 8	1,427
11	Yavneh College Borehamwood · Secondary · Ages 11–18	Academy	93.7 Top 5%	61.6 Attainment 8	1,085
12	The Hertfordshire & Essex High School and Science College Bishop's Stortford · Secondary · Ages 11–18	Academy	93.5 Top 5%	63.6 Attainment 8	1,508
13	Beaumont School St Albans · Secondary · Ages 11–18	Academy	93.1 Top 5%	62.6 Attainment 8	1,722
14	Sir John Lawes School Harpenden · Secondary · Ages 11–18	Academy	93.1 Top 5%	62.8 Attainment 8	1,373
15	Royal Masonic School for Girls Rickmansworth · All-through · Ages 2–19	Independent	92.3 Top 10%	66.2 Attainment 8	880
16	The King's School Harpenden · All-through · Ages 4–16	Independent	92.1 Top 10%	59.3 Attainment 8	169
17	Roundwood Park School Harpenden · Secondary · Ages 11–18	Academy	90.6 Top 10%	59.5 Attainment 8	1,421
18	Rickmansworth School Rickmansworth · Secondary · Ages 11–18	Academy	90.5 Top 10%	61.2 Attainment 8	1,575
19	Simon Balle All-Through School Hertford · All-through · Ages 4–18	Academy	90.3 Top 10%	55.4 Attainment 8	1,617
20	St Francis College Letchworth Garden City · All-through · Ages 3–18	Independent	89.5 Top 10%	56.9 Attainment 8	264
21	Hitchin Girls' School Hitchin · Secondary · Ages 11–18	Academy	89.2 Top 10%	57.8 Attainment 8	1,357
22	St Albans Girls' School St Albans · Secondary · Ages 11–18	Academy	89.2 Top 10%	58.8 Attainment 8	1,423
23	Queens' School Bushey · Secondary · Ages 11–18	Academy	88.9 Top 10%	57.5 Attainment 8	1,697
24	Presdales School Ware · Secondary · Ages 11–18	Academy	88.7 Top 10%	58.9 Attainment 8	1,167
25	The Bishop's Stortford High School Bishop's Stortford · Secondary · Ages 11–18	Local authority	88.1 Top 10%	60.2 Attainment 8	1,279
26	Ashlyns School Berkhamsted · Secondary · Ages 11–18	Local authority	87.5 Top 10%	57.9 Attainment 8	1,561
27	Hitchin Boys' School Hitchin · Secondary · Ages 11–18	Academy	87.2 Top 10%	57.1 Attainment 8	1,364
28	St Margaret's School Bushey · All-through · Ages 2–18	Independent	87.1 Top 10%	56.3 Attainment 8	799
29	The Saint John Henry Newman Catholic School Stevenage · Secondary · Ages 11–18	Academy	86.8 Top 10%	57.9 Attainment 8	1,620
30	The Broxbourne School Broxbourne · Secondary · Ages 11–18	Academy	85.9 Top 10%	55.4 Attainment 8	1,442
31	Nicholas Breakspear Catholic School St Albans · Secondary · Ages 11–18	Academy	84.4 Top 25%	56.4 Attainment 8	1,134
32	Samuel Ryder Academy St Albans · All-through · Ages 4–19	Academy	84.3 Top 25%	56.5 Attainment 8	1,577
33	Katherine Warington School Harpenden · Secondary · Ages 11–19	Academy	84.2 Top 25%	54.8 Attainment 8	1,113
34	Richard Hale School Hertford · Secondary · Ages 11–18	Academy	84.0 Top 25%	56.3 Attainment 8	1,207
35	St Christopher School Letchworth Garden City · All-through · Ages 2–18	Independent	83.5 Top 25%	58.3 Attainment 8	492
36	St Mary's Catholic School Bishop's Stortford · Secondary · Ages 11–18	Academy	80.5 Top 25%	57.6 Attainment 8	1,106
37	Loreto College St Albans · Secondary · Ages 11–18	Academy	80.4 Top 25%	58.3 Attainment 8	952
38	Freman College Buntingford · Secondary · Ages 13–18	Academy	78.3 Top 25%	53.1 Attainment 8	1,049
39	Tring School Tring · Secondary · Ages 11–18	Academy	75.2 Top 25%	50.5 Attainment 8	1,599
40	Bishop's Hatfield Girls' School Hatfield · Secondary · Ages 11–18	Academy	74.9 Top 25%	51.9 Attainment 8	942
41	Verulam School St Albans · Secondary · Ages 11–18	Academy	73.7 Top 25%	52.5 Attainment 8	987
42	Saint Joan of Arc Catholic School Rickmansworth · Secondary · Ages 11–18	Academy	73.5 Top 25%	50.6 Attainment 8	1,198
43	Saint Michael's Catholic High School Watford · Secondary · Ages 11–18	Academy	72.9 Top 25%	50.9 Attainment 8	1,130
44	Monk's Walk School Welwyn Garden City · Secondary · Ages 11–18	Academy	72.8 Top 25%	50.8 Attainment 8	1,440
45	Sherrardswood School Welwyn · All-through · Ages 2–19	Independent	69.9 Top 25%	52.0 Attainment 8	445
46	Croxley Danes School Rickmansworth · Secondary · Ages 11–18	Academy	69.1 Top 50%	51.3 Attainment 8	1,049
47	The Chauncy School Ware · Secondary · Ages 11–18	Academy	68.0 Top 50%	49.5 Attainment 8	1,515
48	Stanborough School Welwyn Garden City · Secondary · Ages 11–18	Academy	67.6 Top 50%	47.9 Attainment 8	1,287
49	Leventhorpe Sawbridgeworth · Secondary · Ages 11–18	Academy	67.4 Top 50%	49.6 Attainment 8	1,463
50	The Hemel Hempstead School Hemel Hempstead · Secondary · Ages 11–18	Academy	67.1 Top 50%	49.9 Attainment 8	1,287
51	Barclay Academy Stevenage · Secondary · Ages 11–18	Academy	66.9 Top 50%	49.5 Attainment 8	1,044
52	Goffs Academy Waltham Cross · Secondary · Ages 11–18	Academy	66.7 Top 50%	49.1 Attainment 8	1,574
53	The Purcell School Bushey · All-through · Ages 8–19	Independent	66.7 Top 50%	47.7 Attainment 8	192
54	Kings Langley School Kings Langley · Secondary · Ages 11–18	Academy	65.8 Top 50%	48.6 Attainment 8	1,122
55	John F Kennedy Catholic School Hemel Hempstead · Secondary · Ages 11–18	Academy	65.7 Top 50%	47.9 Attainment 8	1,073
56	Chancellor's School Hatfield · Secondary · Ages 11–18	Academy	65.6 Top 50%	47.6 Attainment 8	1,241
57	The Nobel School Stevenage · Secondary · Ages 11–18	Local authority	65.3 Top 50%	50.2 Attainment 8	1,475
58	The Priory School Hitchin · Secondary · Ages 11–18	Local authority	62.9 Top 50%	48.5 Attainment 8	1,221
59	The Knights Templar School Baldock · Secondary · Ages 11–18	Academy	62.5 Top 50%	48.5 Attainment 8	1,375
60	The Thomas Alleyne Academy Stevenage · Secondary · Ages 11–18	Academy	59.9 Top 50%	48.0 Attainment 8	970
61	Birchwood High School Bishop's Stortford · Secondary · Ages 11–18	Academy	56.0 Top 50%	46.1 Attainment 8	1,417
62	St Albans High School for Girls St Albans · All-through · Ages 4–18	Independent	55.2 Top 50%	48.5 Attainment 8	1,106
63	Townsend Church of England School St Albans · Secondary · Ages 11–18	Local authority	48.8 Top 50%	46.7 Attainment 8	746
64	Queenswood School Hatfield · Secondary · Ages 11–18	Independent	48.5 Top 50%	47.2 Attainment 8	426
65	The Reach Free School Rickmansworth · Secondary · Ages 11–18	Academy	46.3 Lower 50%	44.2 Attainment 8	734
66	Gracewood Academy Potters Bar · Secondary · Ages 11–18	Academy	46.0 Lower 50%	29% Free school meals	420
67	Robert Barclay Academy Hoddesdon · Secondary · Ages 11–18	Academy	44.8 Lower 50%	44.2 Attainment 8	821
68	Bushey Meads School Bushey · Secondary · Ages 11–18	Academy	44.0 Lower 50%	43.6 Attainment 8	1,200
69	Marriotts School Stevenage · Secondary · Ages 11–18	Local authority	43.7 Lower 50%	42.4 Attainment 8	1,415
70	The Marlborough Science Academy St Albans · Secondary · Ages 11–18	Academy	43.5 Lower 50%	43.4 Attainment 8	1,337
71	St Mary's Church of England High School (VA) Waltham Cross · Secondary · Ages 11–19	Academy	43.1 Lower 50%	45.0 Attainment 8	911
72	The Highfield School Letchworth Garden City · Secondary · Ages 11–18	Academy	41.7 Lower 50%	41.7 Attainment 8	937
73	Westfield Academy Watford · Secondary · Ages 11–18	Academy	41.2 Lower 50%	41.4 Attainment 8	1,331
74	Longdean School Hemel Hempstead · Secondary · Ages 11–18	Academy	38.6 Lower 50%	42.4 Attainment 8	1,436
75	The Grange Academy Bushey · Secondary · Ages 11–18	Academy	38.2 Lower 50%	41.3 Attainment 8	928
76	Haberdashers' Boys' School Elstree · All-through · Ages 4–18	Independent	36.8 Lower 50%	41.0 Attainment 8	1,429
77	The John Warner School Hoddesdon · Secondary · Ages 11–18	Academy	36.6 Lower 50%	40.8 Attainment 8	726
78	Barnwell School Stevenage · Secondary · Ages 11–18	Local authority	35.9 Lower 50%	41.5 Attainment 8	1,270
79	Goffs - Churchgate Academy Waltham Cross · Secondary · Ages 11–16	Academy	35.4 Lower 50%	42.6 Attainment 8	582
80	Haileybury Turnford Waltham Cross · Secondary · Ages 11–18	Academy	35.2 Lower 50%	43.3 Attainment 8	1,021
81	Laureate Academy Hemel Hempstead · Secondary · Ages 11–18	Academy	35.2 Lower 50%	41.7 Attainment 8	703
82	Haberdashers' Girls' School Borehamwood · All-through · Ages 4–18	Independent	34.6 Lower 50%	39.9 Attainment 8	1,118
83	Elstree Screen Arts Academy Borehamwood · Secondary · Ages 14–19	Academy	31.9 Lower 50%	39.1 Attainment 8	524
84	King James Academy Royston Royston · All-through · Ages 9–18	Academy	31.6 Lower 50%	40.3 Attainment 8	947
85	Future Academies Watford Watford · Secondary · Ages 11–18	Academy	29.2 Lower 50%	39.8 Attainment 8	1,060
86	Hertswood Academy Borehamwood · Secondary · Ages 11–18	Academy	29.1 Lower 50%	38.3 Attainment 8	1,144
87	Aldenham School Elstree · All-through · Ages 3–19	Independent	28.9 Lower 50%	41.5 Attainment 8	849
88	St Edmund's College Ware · All-through · Ages 2–19	Independent	26.5 Lower 50%	35.5 Attainment 8	684
89	Edwinstree Church of England Middle School Buntingford · Secondary · Ages 9–13	Local authority	26.0 Lower 50%	43% KS2 expected standard (RWM)	486
90	Ralph Sadleir School Ware · Secondary · Ages 9–13	Academy	24.0 Lower 50%	40% KS2 expected standard (RWM)	283
91	Onslow St Audrey's School Hatfield · Secondary · Ages 11–18	Academy	23.2 Lower 50%	36.6 Attainment 8	787
92	St Columba's College St Albans · All-through · Ages 4–19	Independent	23.2 Lower 50%	32.9 Attainment 8	822
93	Merchant Taylors' School Northwood · Secondary · Ages 11–18	Independent	22.3 Lower 50%	21.7 Attainment 8	1,051
94	Bishop's Stortford College Bishop's Stortford · All-through · Ages 3–18	Independent	21.8 Lower 50%	23.4 Attainment 8	1,241
95	Immanuel College Bushey · Secondary · Ages 11–18	Independent	21.5 Lower 50%	18.9 Attainment 8	341
96	Fearnhill School Letchworth · Secondary · Ages 11–18	Local authority	21.1 Lower 50%	38.9 Attainment 8	597
97	Ridgeway Academy Welwyn Garden City · Secondary · Ages 11–18	Academy	21.1 Lower 50%	35.7 Attainment 8	875
98	The Sele School Hertford · Secondary · Ages 11–18	Academy	21.0 Lower 50%	35.7 Attainment 8	382
99	Haileybury College Hertford · Secondary · Ages 11–18	Independent	20.2 Lower 50%	14.5 Attainment 8	924
100	Tring Park School for the Performing Arts Tring · All-through · Ages 7–19	Independent	20.2 Lower 50%	32.5 Attainment 8	336

Dame Alice Owen's School in Potters Bar leads the 2025 list of secondary schools in Hertfordshire with a Success Index (England) of 97.4. Of the 100 schools shown, 71 are academy, 20 are independent, 9 are local authority.

For the full picture see the wider East of England secondary schools league table, every school on the Hertfordshire page, or the comparison tool to put a shortlist side by side.

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Frequently asked questions

What is the best secondary school in Hertfordshire?

Dame Alice Owen's School in Potters Bar, East of England ranks first among secondary schools in Hertfordshire with a Success Index (England) of 97.4 out of 100 (Pupils on roll: 1,467).

How are secondary schools in Hertfordshire ranked?

Each school's Success Index (England) combines 9 factors: ks2: reading, writing & maths expected standard (35%), ks2: higher standard (20%), ks2: reading progress (10%), ks2: maths progress (10%), progress 8 (20%), attainment 8 (30%), grade 5+ in english & maths (15%), a level points per entry (10%), community advantage (fewer pupils on free school meals) (15%). Each factor is a percentile against schools of the same type across England. Schools with fewer than 60 students are excluded from rankings.

Are these 2025 rankings official?

No. They are computed by Success Tutoring from official English data (DfE – Get Information About Schools; DfE – Compare school and college performance). Independent schools rarely appear in the performance tables, so most receive no attainment components and no score.