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OpenOfsted: OutstandingURN 135534

TreeHouse School

Non-maintained special school · London · N10 3JA

Ages 3–19 · 111 pupils · Haringey

Ofsted

Outstanding

Overall absence

8.1%

Ofsted

Latest published inspection outcomes — not a ranking.

Read full report

Headline

Outstanding

Inspection date

2024-06-26

Overall effectiveness
Outstanding
Quality of education
Outstanding
Behaviour and attitudes
Outstanding
Personal development
Outstanding
Leadership and management
Outstanding
Safeguarding effective
Yes

Source: Ofsted monthly management information

Performance

Official school-level results. Figures are not rankings — suppressed values are omitted.

Key stage 4 (2023/24)

Source: DfE school and college performance tables

Absence

Academic year 2023/24. Persistent absence means 10%+ of sessions missed. Lower figures are better.

Overall absence8.1%
Persistent absence (10%+)22.7%
Unauthorised0.1%
Authorised absence
8.0%
Severe absence (50%+)
4.5%
Enrolments in measure
88

Absence trend

2021/22

2022/23

2023/24

  • Overall
  • Persistent (10%+)

Source: DfE pupil absence in schools in England

Size & intake

From the GIAS school census (15 Jan 2026).

Capacity fill97%

111 pupils · 115 places

Pupils on roll
111
Boys / girls
96 / 15
School capacity
115
Capacity fill
111 / 115 (97%)
Free school meals
40.9%
FSM pupils
38
Gender
Mixed
School type
Non-maintained special school

Age range

Ages 3–19

05111619

Provision

Official GIAS characteristics

2 / 6

  • Nursery
  • Sixth formHas a sixth form
  • Boarding
  • Special school
  • Independent
  • Academy

School characteristics

Special classes
Has Special Classes
Governance
Local authority maintained
Headteacher
Ms Joanna Dziopa

Location

Address
Woodside Avenue, Muswell Hill
Postcode
N10 3JA
Town
London
Local authority
Haringey
District
Haringey
Constituency
Hornsey and Friern Barnet
Urban/rural
Urban: Nearer to a major town or city

SEN & specialist provision

As recorded in GIAS — provision detail, not an Ofsted judgement.

SEN types
ASD - Autistic Spectrum Disorder; SLD - Severe Learning Difficulty
Special classes
Has Special Classes

Local context

How this school sits among open establishments in its area, using official GIAS records. These are counts, not rankings.

Mixed non-maintained special school, Ages 3–19, in London, Haringey, 111 pupils on roll. Notable characteristics: sixth form, special school. Free school meals: 40.9%. SEN provision includes: ASD - Autistic Spectrum Disorder; SLD - Severe Learning Difficulty.

Open schools in London
1846
Academies among open schools in London
23% (427)
Open schools in N10
13
Open schools in Haringey LA
97

Nearby schools

Open schools within about 3 miles, prioritising the same phase where possible. Distances are approximate from GIAS coordinates.

  • Tetherdown Primary School

    Ofsted: School remains Good

    Community school · Primary

    London · N10 3BP · Haringey

    Ages 4–11

    • KS279%
    • Absence4.5%
    • FSM3.6%
    • Demand0.79

    0.2 miles away

  • Fortismere School

    Ofsted: Good

    Foundation school · Secondary

    London · N10 1NE · Haringey

    Ages 11–18

    • Att857.8
    • P80.5
    • EM5+71%
    • Absence7.9%

    0.5 miles away

  • Muswell Hill Primary School

    Ofsted: Strong standard

    Community school · Primary

    London · N10 3ST · Haringey

    Ages 4–11

    • KS276%
    • Absence4.7%
    • FSM11.5%
    • Demand0.98

    0.5 miles away

  • Highgate Primary School

    Ofsted: Outstanding

    Community school · Primary

    London · N6 4ED · Haringey

    Ages 3–11

    • KS285%
    • Absence5.0%
    • FSM11.9%
    • Demand0.86

    0.6 miles away

  • Blanche Nevile School

    Ofsted: School remains Good

    Community special school

    London · N10 1NJ · Haringey

    Ages 3–16

    • KS20%
    • Absence9.8%
    • FSM49.0%

    0.6 miles away

New to reading school data? See Ofsted ratings explained and how to compare schools.

Contact

Headteacher
Ms Joanna Dziopa
Telephone
02088155424

Official links