Secondary Schools by Attainment 8 in Hertfordshire (2025)

Secondary schools ranked by Attainment 8, the average GCSE points per pupil across eight subjects. Listed with official data; 100 schools in Hertfordshire, East of England. Rank positions shown on each profile are within England and East of England.

#	School	Sector	Attainment 8	Success Index (England)	Key result	Students
1	Dame Alice Owen's School Potters Bar · Secondary · Ages 11–18	Academy	72.9	97.4 Top 5%	72.9 Attainment 8	1,467
2	Watford Grammar School for Boys Watford · Secondary · Ages 11–18	Academy	68.9	94.3 Top 5%	68.9 Attainment 8	1,590
3	Abbot's Hill School Hemel Hempstead · All-through · Ages 0–16	Independent	68.8	96.0 Top 5%	68.8 Attainment 8	380
4	Watford Grammar School for Girls Watford · Secondary · Ages 11–19	Academy	68.2	93.9 Top 5%	68.2 Attainment 8	1,427
5	Parmiter's School Watford · Secondary · Ages 11–18	Academy	66.5	94.2 Top 5%	66.5 Attainment 8	1,496
6	Royal Masonic School for Girls Rickmansworth · All-through · Ages 2–19	Independent	66.2	92.3 Top 10%	66.2 Attainment 8	880
7	St Clement Danes School Rickmansworth · Secondary · Ages 11–18	Academy	65.1	95.1 Top 5%	65.1 Attainment 8	1,585
8	Sandringham School St Albans · Secondary · Ages 11–18	Academy	65.1	94.4 Top 5%	65.1 Attainment 8	1,777
9	St George's School Harpenden · Secondary · Ages 11–18	Academy	63.7	94.6 Top 5%	63.7 Attainment 8	1,351
10	The Hertfordshire & Essex High School and Science College Bishop's Stortford · Secondary · Ages 11–18	Academy	63.6	93.5 Top 5%	63.6 Attainment 8	1,508
11	Sir John Lawes School Harpenden · Secondary · Ages 11–18	Academy	62.8	93.1 Top 5%	62.8 Attainment 8	1,373
12	Beaumont School St Albans · Secondary · Ages 11–18	Academy	62.6	93.1 Top 5%	62.6 Attainment 8	1,722
13	Hockerill Anglo-European College Bishop's Stortford · Secondary · Ages 11–18	Academy	61.7	94.1 Top 5%	61.7 Attainment 8	903
14	Yavneh College Borehamwood · Secondary · Ages 11–18	Academy	61.6	93.7 Top 5%	61.6 Attainment 8	1,085
15	Rickmansworth School Rickmansworth · Secondary · Ages 11–18	Academy	61.2	90.5 Top 10%	61.2 Attainment 8	1,575
16	The Bishop's Stortford High School Bishop's Stortford · Secondary · Ages 11–18	Local authority	60.2	88.1 Top 10%	60.2 Attainment 8	1,279
17	Roundwood Park School Harpenden · Secondary · Ages 11–18	Academy	59.5	90.6 Top 10%	59.5 Attainment 8	1,421
18	The King's School Harpenden · All-through · Ages 4–16	Independent	59.3	92.1 Top 10%	59.3 Attainment 8	169
19	Presdales School Ware · Secondary · Ages 11–18	Academy	58.9	88.7 Top 10%	58.9 Attainment 8	1,167
20	St Albans Girls' School St Albans · Secondary · Ages 11–18	Academy	58.8	89.2 Top 10%	58.8 Attainment 8	1,423
21	St Christopher School Letchworth Garden City · All-through · Ages 2–18	Independent	58.3	83.5 Top 25%	58.3 Attainment 8	492
22	Loreto College St Albans · Secondary · Ages 11–18	Academy	58.3	80.4 Top 25%	58.3 Attainment 8	952
23	Ashlyns School Berkhamsted · Secondary · Ages 11–18	Local authority	57.9	87.5 Top 10%	57.9 Attainment 8	1,561
24	The Saint John Henry Newman Catholic School Stevenage · Secondary · Ages 11–18	Academy	57.9	86.8 Top 10%	57.9 Attainment 8	1,620
25	Hitchin Girls' School Hitchin · Secondary · Ages 11–18	Academy	57.8	89.2 Top 10%	57.8 Attainment 8	1,357
26	St Mary's Catholic School Bishop's Stortford · Secondary · Ages 11–18	Academy	57.6	80.5 Top 25%	57.6 Attainment 8	1,106
27	Queens' School Bushey · Secondary · Ages 11–18	Academy	57.5	88.9 Top 10%	57.5 Attainment 8	1,697
28	Hitchin Boys' School Hitchin · Secondary · Ages 11–18	Academy	57.1	87.2 Top 10%	57.1 Attainment 8	1,364
29	St Francis College Letchworth Garden City · All-through · Ages 3–18	Independent	56.9	89.5 Top 10%	56.9 Attainment 8	264
30	Samuel Ryder Academy St Albans · All-through · Ages 4–19	Academy	56.5	84.3 Top 25%	56.5 Attainment 8	1,577
31	Nicholas Breakspear Catholic School St Albans · Secondary · Ages 11–18	Academy	56.4	84.4 Top 25%	56.4 Attainment 8	1,134
32	St Margaret's School Bushey · All-through · Ages 2–18	Independent	56.3	87.1 Top 10%	56.3 Attainment 8	799
33	Richard Hale School Hertford · Secondary · Ages 11–18	Academy	56.3	84.0 Top 25%	56.3 Attainment 8	1,207
34	Simon Balle All-Through School Hertford · All-through · Ages 4–18	Academy	55.4	90.3 Top 10%	55.4 Attainment 8	1,617
35	The Broxbourne School Broxbourne · Secondary · Ages 11–18	Academy	55.4	85.9 Top 10%	55.4 Attainment 8	1,442
36	Katherine Warington School Harpenden · Secondary · Ages 11–19	Academy	54.8	84.2 Top 25%	54.8 Attainment 8	1,113
37	Freman College Buntingford · Secondary · Ages 13–18	Academy	53.1	78.3 Top 25%	53.1 Attainment 8	1,049
38	Verulam School St Albans · Secondary · Ages 11–18	Academy	52.5	73.7 Top 25%	52.5 Attainment 8	987
39	Sherrardswood School Welwyn · All-through · Ages 2–19	Independent	52.0	69.9 Top 25%	52.0 Attainment 8	445
40	Bishop's Hatfield Girls' School Hatfield · Secondary · Ages 11–18	Academy	51.9	74.9 Top 25%	51.9 Attainment 8	942
41	Croxley Danes School Rickmansworth · Secondary · Ages 11–18	Academy	51.3	69.1 Top 50%	51.3 Attainment 8	1,049
42	Saint Michael's Catholic High School Watford · Secondary · Ages 11–18	Academy	50.9	72.9 Top 25%	50.9 Attainment 8	1,130
43	Monk's Walk School Welwyn Garden City · Secondary · Ages 11–18	Academy	50.8	72.8 Top 25%	50.8 Attainment 8	1,440
44	Saint Joan of Arc Catholic School Rickmansworth · Secondary · Ages 11–18	Academy	50.6	73.5 Top 25%	50.6 Attainment 8	1,198
45	Tring School Tring · Secondary · Ages 11–18	Academy	50.5	75.2 Top 25%	50.5 Attainment 8	1,599
46	The Nobel School Stevenage · Secondary · Ages 11–18	Local authority	50.2	65.3 Top 50%	50.2 Attainment 8	1,475
47	The Hemel Hempstead School Hemel Hempstead · Secondary · Ages 11–18	Academy	49.9	67.1 Top 50%	49.9 Attainment 8	1,287
48	Leventhorpe Sawbridgeworth · Secondary · Ages 11–18	Academy	49.6	67.4 Top 50%	49.6 Attainment 8	1,463
49	The Chauncy School Ware · Secondary · Ages 11–18	Academy	49.5	68.0 Top 50%	49.5 Attainment 8	1,515
50	Barclay Academy Stevenage · Secondary · Ages 11–18	Academy	49.5	66.9 Top 50%	49.5 Attainment 8	1,044
51	Goffs Academy Waltham Cross · Secondary · Ages 11–18	Academy	49.1	66.7 Top 50%	49.1 Attainment 8	1,574
52	Kings Langley School Kings Langley · Secondary · Ages 11–18	Academy	48.6	65.8 Top 50%	48.6 Attainment 8	1,122
53	The Priory School Hitchin · Secondary · Ages 11–18	Local authority	48.5	62.9 Top 50%	48.5 Attainment 8	1,221
54	The Knights Templar School Baldock · Secondary · Ages 11–18	Academy	48.5	62.5 Top 50%	48.5 Attainment 8	1,375
55	St Albans High School for Girls St Albans · All-through · Ages 4–18	Independent	48.5	55.2 Top 50%	48.5 Attainment 8	1,106
56	The Thomas Alleyne Academy Stevenage · Secondary · Ages 11–18	Academy	48.0	59.9 Top 50%	48.0 Attainment 8	970
57	Stanborough School Welwyn Garden City · Secondary · Ages 11–18	Academy	47.9	67.6 Top 50%	47.9 Attainment 8	1,287
58	John F Kennedy Catholic School Hemel Hempstead · Secondary · Ages 11–18	Academy	47.9	65.7 Top 50%	47.9 Attainment 8	1,073
59	The Purcell School Bushey · All-through · Ages 8–19	Independent	47.7	66.7 Top 50%	47.7 Attainment 8	192
60	Chancellor's School Hatfield · Secondary · Ages 11–18	Academy	47.6	65.6 Top 50%	47.6 Attainment 8	1,241
61	Queenswood School Hatfield · Secondary · Ages 11–18	Independent	47.2	48.5 Top 50%	47.2 Attainment 8	426
62	Townsend Church of England School St Albans · Secondary · Ages 11–18	Local authority	46.7	48.8 Top 50%	46.7 Attainment 8	746
63	Birchwood High School Bishop's Stortford · Secondary · Ages 11–18	Academy	46.1	56.0 Top 50%	46.1 Attainment 8	1,417
64	St Mary's Church of England High School (VA) Waltham Cross · Secondary · Ages 11–19	Academy	45.0	43.1 Lower 50%	45.0 Attainment 8	911
65	The Reach Free School Rickmansworth · Secondary · Ages 11–18	Academy	44.2	46.3 Lower 50%	44.2 Attainment 8	734
66	Robert Barclay Academy Hoddesdon · Secondary · Ages 11–18	Academy	44.2	44.8 Lower 50%	44.2 Attainment 8	821
67	Stanborough Secondary School Watford · Secondary · Ages 11–18	Independent	44.1	43.8 Lower 50%	44.1 Attainment 8	50
68	Bushey Meads School Bushey · Secondary · Ages 11–18	Academy	43.6	44.0 Lower 50%	43.6 Attainment 8	1,200
69	The Marlborough Science Academy St Albans · Secondary · Ages 11–18	Academy	43.4	43.5 Lower 50%	43.4 Attainment 8	1,337
70	Haileybury Turnford Waltham Cross · Secondary · Ages 11–18	Academy	43.3	35.2 Lower 50%	43.3 Attainment 8	1,021
71	Goffs - Churchgate Academy Waltham Cross · Secondary · Ages 11–16	Academy	42.6	35.4 Lower 50%	42.6 Attainment 8	582
72	Marriotts School Stevenage · Secondary · Ages 11–18	Local authority	42.4	43.7 Lower 50%	42.4 Attainment 8	1,415
73	Longdean School Hemel Hempstead · Secondary · Ages 11–18	Academy	42.4	38.6 Lower 50%	42.4 Attainment 8	1,436
74	The Highfield School Letchworth Garden City · Secondary · Ages 11–18	Academy	41.7	41.7 Lower 50%	41.7 Attainment 8	937
75	Laureate Academy Hemel Hempstead · Secondary · Ages 11–18	Academy	41.7	35.2 Lower 50%	41.7 Attainment 8	703
76	Barnwell School Stevenage · Secondary · Ages 11–18	Local authority	41.5	35.9 Lower 50%	41.5 Attainment 8	1,270
77	Aldenham School Elstree · All-through · Ages 3–19	Independent	41.5	28.9 Lower 50%	41.5 Attainment 8	849
78	Westfield Academy Watford · Secondary · Ages 11–18	Academy	41.4	41.2 Lower 50%	41.4 Attainment 8	1,331
79	The Grange Academy Bushey · Secondary · Ages 11–18	Academy	41.3	38.2 Lower 50%	41.3 Attainment 8	928
80	Haberdashers' Boys' School Elstree · All-through · Ages 4–18	Independent	41.0	36.8 Lower 50%	41.0 Attainment 8	1,429
81	The John Warner School Hoddesdon · Secondary · Ages 11–18	Academy	40.8	36.6 Lower 50%	40.8 Attainment 8	726
82	King James Academy Royston Royston · All-through · Ages 9–18	Academy	40.3	31.6 Lower 50%	40.3 Attainment 8	947
83	Haberdashers' Girls' School Borehamwood · All-through · Ages 4–18	Independent	39.9	34.6 Lower 50%	39.9 Attainment 8	1,118
84	Future Academies Watford Watford · Secondary · Ages 11–18	Academy	39.8	29.2 Lower 50%	39.8 Attainment 8	1,060
85	Elstree Screen Arts Academy Borehamwood · Secondary · Ages 14–19	Academy	39.1	31.9 Lower 50%	39.1 Attainment 8	524
86	Fearnhill School Letchworth · Secondary · Ages 11–18	Local authority	38.9	21.1 Lower 50%	38.9 Attainment 8	597
87	Hertswood Academy Borehamwood · Secondary · Ages 11–18	Academy	38.3	29.1 Lower 50%	38.3 Attainment 8	1,144
88	Onslow St Audrey's School Hatfield · Secondary · Ages 11–18	Academy	36.6	23.2 Lower 50%	36.6 Attainment 8	787
89	Ridgeway Academy Welwyn Garden City · Secondary · Ages 11–18	Academy	35.7	21.1 Lower 50%	35.7 Attainment 8	875
90	The Sele School Hertford · Secondary · Ages 11–18	Academy	35.7	21.0 Lower 50%	35.7 Attainment 8	382
91	St Edmund's College Ware · All-through · Ages 2–19	Independent	35.5	26.5 Lower 50%	35.5 Attainment 8	684
92	The Adeyfield Academy Hemel Hempstead · Secondary · Ages 11–18	Academy	35.1	17.5 Lower 50%	35.1 Attainment 8	858
93	The Astley Cooper School Hemel Hempstead · Secondary · Ages 11–18	Local authority	34.7	19.0 Lower 50%	34.7 Attainment 8	914
94	St Columba's College St Albans · All-through · Ages 4–19	Independent	32.9	23.2 Lower 50%	32.9 Attainment 8	822
95	Tring Park School for the Performing Arts Tring · All-through · Ages 7–19	Independent	32.5	20.2 Lower 50%	32.5 Attainment 8	336
96	Bishop's Stortford College Bishop's Stortford · All-through · Ages 3–18	Independent	23.4	21.8 Lower 50%	23.4 Attainment 8	1,241
97	Merchant Taylors' School Northwood · Secondary · Ages 11–18	Independent	21.7	22.3 Lower 50%	21.7 Attainment 8	1,051
98	Egerton-Rothesay School Berkhamsted · All-through · Ages 6–19	Independent	19.2	8.7 Lower 50%	19.2 Attainment 8	157
99	St Albans Independent College St Albans · Secondary · Ages 14–19	Independent	19.1	8.0 Lower 50%	19.1 Attainment 8	70
100	Immanuel College Bushey · Secondary · Ages 11–18	Independent	18.9	21.5 Lower 50%	18.9 Attainment 8	341

Dame Alice Owen's School in Potters Bar leads the 2025 list of secondary schools by attainment 8 in Hertfordshire with Attainment 8 72.9. Of the 100 schools shown, 69 are academy, 22 are independent, 9 are local authority.

For the full picture see the wider East of England secondary schools by attainment 8 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 gcse results school in Hertfordshire?

Dame Alice Owen's School in Potters Bar, East of England ranks first among secondary schools by attainment 8 in Hertfordshire with Attainment 8 72.9 (Pupils on roll: 1,467).

How are secondary schools by attainment 8 in Hertfordshire ranked?

Secondary schools ranked by Attainment 8, the average GCSE points per pupil across eight subjects. Figures are the most recent published by the national authority and matched to the school directory.

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.