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Best Private Schools in Hertfordshire: A Level Results Ranked

Best Private Schools in Hertfordshire: A Level Results Ranked

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26 October 2026
7 min read

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Independent Schools
School Rankings
Hertfordshire

Key Facts

MeasureAverage point score per A level entry (DfE 16 to 18 performance data)
Data year2024/25 (final)
Schools ranked21
Highest figureHaberdashers' Boys' School, 51.54 (A)
Area coveredHertfordshire

Figures correct at the time of writing. Confirm current fees and deadlines with the school or university directly.

Haberdashers' Boys' School in Elstree tops the ranking of private schools in Hertfordshire with an average A level point score of 51.54, ahead of Haberdashers' Girls' School in Borehamwood on 50.94, St Albans High School for Girls on 49.71 and Merchant Taylors' School in Northwood on 48.58. Twenty-one independent schools are ranked here on a single measure, the average point score per A level entry (A* worth 60 points, A worth 50, B worth 40 and C worth 30), taken from the Department for Education's 16 to 18 performance tables.

The DfE expresses this average as a fine grade alongside the points figure: Haberdashers' Boys', Haberdashers' Girls', St Albans High School for Girls and Merchant Taylors' all return a grade A average, with Immanuel College in Bushey rounding out the top five on 47.1, a grade A-.

Which private schools in Hertfordshire have the best A level results?

Independent schools in Hertfordshire ranked by average point score per A level entry, 2024/25 (16 to 18 performance data, final, Department for Education). Point scale: A* 60, A 50, B 40.
RankSchoolTownA level average point scoreAverage gradeA level studentsPupilsDay or boarding
1Haberdashers' Boys' SchoolElstree51.54A157BoysDay
2Haberdashers' Girls' SchoolBorehamwood50.94A103GirlsDay
3St Albans High School for GirlsSt Albans49.71A80GirlsDay
4Merchant Taylors' SchoolNorthwood48.58A156BoysDay
5Immanuel CollegeBushey47.1A-51Co-educationalDay
6St Francis CollegeLetchworth Garden City45.59A-11GirlsDay and boarding
7St Albans SchoolSt Albans45.4A-169Co-educationalDay
8Berkhamsted SchoolBerkhamsted45.35A-213Co-educationalDay and boarding
9Haileybury CollegeHertford45.23A-126Co-educationalDay and boarding
10Bishop's Stortford CollegeBishop's Stortford44.7B+134Co-educationalDay and boarding
11St Columba's CollegeSt Albans40.7B77Co-educationalDay
12St Edmund's CollegeWare40.16B65Co-educationalDay and boarding
13Royal Masonic School for GirlsRickmansworth39.7B90GirlsDay and boarding
14St Margaret's SchoolBushey39.17B44Co-educationalDay and boarding
15Queenswood SchoolHatfield38.68B43GirlsDay and boarding
16Tring Park School for the Performing ArtsTring37.15B-70Co-educationalDay and boarding
17The Purcell SchoolBushey37B-42Co-educationalDay and boarding
18St Christopher SchoolLetchworth Garden City35.31B-43Co-educationalDay and boarding
19Sherrardswood SchoolWelwyn34.44C+31Co-educationalDay
20Aldenham SchoolElstree33.9C+94Co-educationalDay and boarding
21St Albans Independent CollegeSt Albans28.69C31Co-educationalDay

The 21 schools span 51.54 at Haberdashers' Boys' School to 28.69 at St Albans Independent College, a gap of nearly 23 points on the average point score scale. Four schools clear 48: Haberdashers' Boys' (51.54), Haberdashers' Girls' (50.94), St Albans High School for Girls (49.71) and Merchant Taylors' (48.58), before a tight band of five schools between 44.7 and 47.1, Immanuel College, St Francis College, St Albans School, Berkhamsted School and Haileybury College, with Bishop's Stortford College close behind on 44.7, the first school in the table to drop to a B+ average.

A second cluster sits between 38.68 and 40.7: St Columba's College, St Edmund's College, Royal Masonic School for Girls, St Margaret's School and Queenswood School, all returning a grade B average within two points of each other. Below them, Tring Park School for the Performing Arts, The Purcell School and St Christopher School hold B- averages from 35.31 to 37.15, then Sherrardswood School and Aldenham School sit together on a C+ average of 34.44 and 33.9. St Albans Independent College, on 28.69, sits more than five points clear of Aldenham at the foot of the table.

Girls' schools cluster through the upper half of the table: Haberdashers' Girls' (2nd) and St Albans High School for Girls (3rd) sit in the top four, with St Francis College (6th), Royal Masonic School for Girls (13th) and Queenswood School (15th) spread through the middle; none falls into the bottom third. The two boys' schools, Haberdashers' Boys' and Merchant Taylors', occupy 1st and 4th, and co-educational schools fill the rest of the table, including both schools at the bottom, Aldenham School and St Albans Independent College. Boarding provision runs from 6th (St Francis College) to 20th (Aldenham School), with day and boarding schools distributed throughout the table, and cohort sizes vary sharply: St Francis College's rank of 6th rests on just 11 A level students, against 213 at Berkhamsted School (8th) and 169 at St Albans School (7th).

Entry points and fees at the ranked Hertfordshire schools

Fees and entry points vary widely across the ranking, so the table below sets them side by side for the schools with an admissions guide on this site; each figure comes from the school's own website and carries the academic year it applies to.

Entry points and day fees per term for ranked schools in Hertfordshire, from each school's own website as recorded in our school guides (checked October 2026).
SchoolEntry pointsDay fees per termFees year
Merchant Taylors' School11+ (140 places annually)£11,075 (incl. VAT)2026/27
Immanuel College£8,2552026/27
Haileybury College£9,5352026/27
St Edmund's College£7,811 (incl. VAT)2026/27
Queenswood School£9,7202026/27
Aldenham School£10,687 (incl. VAT)2026/27
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Which is the best girls' school in Hertfordshire for A levels?

Haberdashers' Girls' School, in Borehamwood, returns the highest average A level point score among Hertfordshire's girls' schools, at 50.94 (grade A), placing it 2nd in the overall table.

St Albans High School for Girls follows on 49.71 (3rd overall), with St Francis College in Letchworth Garden City on 45.59 (6th), Royal Masonic School for Girls in Rickmansworth on 39.7 (13th) and Queenswood School in Hatfield on 38.68 (15th) completing the five girls' schools ranked.

Which is the best boys' school in Hertfordshire for A levels?

Haberdashers' Boys' School, in Elstree, has the highest average A level point score of any Hertfordshire private school, 51.54 (grade A), and is the higher-placed of only two boys' schools in the table.

Merchant Taylors' School in Northwood returns 48.58 (grade A) in 4th place. These are the only two boys' schools among the 21 ranked; every other school is either girls' or co-educational.

Which Hertfordshire private schools take boarders?

Twelve of the 21 ranked schools offer boarding alongside day places: St Francis College (6th, 45.59), Berkhamsted School (8th, 45.35), Haileybury College (9th, 45.23), Bishop's Stortford College (10th, 44.7), St Edmund's College (12th, 40.16), Royal Masonic School for Girls (13th, 39.7), St Margaret's School (14th, 39.17), Queenswood School (15th, 38.68), Tring Park School for the Performing Arts (16th, 37.15), The Purcell School (17th, 37), St Christopher School (18th, 35.31) and Aldenham School (20th, 33.9).

The remaining nine schools, including the top four in the table, Haberdashers' Boys', Haberdashers' Girls', St Albans High School for Girls and Merchant Taylors', are day schools only.

What does this A level ranking leave out?

The figures cover A level entries only, as recorded in the Department for Education's 16 to 18 performance tables, so a school where pupils also sit other qualifications will not have those results reflected in its average point score.

Cohort size is not shown in the ranking position itself: St Francis College holds 6th place on just 11 A level students, a far smaller group than the 213 at Berkhamsted School (8th) or 169 at St Albans School (7th), so a handful of grades can move a small school's average more than the same grades would move a large one.

How the schools are ranked

The ranking covers every independent school in Hertfordshire with a published average point score per A level entry in the Department for Education's 16 to 18 performance data, ordered from highest to lowest, with schools on the same figure sharing a rank. The figure counts A level entries only and is not adjusted for pupils' attainment on entry, and many of these schools select by entrance assessment.

The data is the Department for Education's own download from Compare school and college performance, so anyone can reproduce the order from the same file; the data year and source are listed in the key facts above.

Admissions guides for the ranked schools

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Frequently asked questions

Which is the best private school in Hertfordshire for A level results?
Haberdashers' Boys' School in Elstree has the highest average A level point score among Hertfordshire's independent schools, at 51.54, a grade A average on the Department for Education's 16 to 18 performance tables. Haberdashers' Girls' School in Borehamwood ranks 2nd on 50.94, and St Albans High School for Girls ranks 3rd on 49.71.
Which is the best girls' school in Hertfordshire for A levels?
Haberdashers' Girls' School in Borehamwood has the highest average A level point score of Hertfordshire's girls' schools, 50.94, ranking 2nd overall. St Albans High School for Girls follows on 49.71 in 3rd place, with St Francis College, Royal Masonic School for Girls and Queenswood School also among the girls' schools ranked.
Which is the best boys' school in Hertfordshire for A levels?
Haberdashers' Boys' School in Elstree has the highest average A level point score in Hertfordshire, 51.54, and ranks 1st overall. Merchant Taylors' School in Northwood is the only other boys' school in the ranking, on 48.58, placing it 4th among the 21 schools.
How many private schools in Hertfordshire are included in this ranking?
Twenty-one independent schools in Hertfordshire are ranked, from Haberdashers' Boys' School on 51.54 at the top to St Albans Independent College on 28.69 at the bottom. The figures come from the Department for Education's 16 to 18 performance tables.
What does the average point score measure?
The average point score is the average value of each A level grade a school's students achieved, where A* counts as 60 points, A as 50, B as 40 and C as 30. It comes from the Department for Education's 16 to 18 performance tables and is the single measure used to rank the 21 schools here.
Do any of the top Hertfordshire private schools take boarders?
Among the top ten, Berkhamsted School (8th, 45.35), Haileybury College (9th, 45.23) and Bishop's Stortford College (10th, 44.7) all offer boarding alongside day places. The top four, Haberdashers' Boys', Haberdashers' Girls', St Albans High School for Girls and Merchant Taylors', are day schools only.

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Editorial Notice

We use automated research tools to help collate and maintain information across our website. While each post is reviewed before publication, some details may be incomplete or inaccurate.

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