Joshua Mangas

The Harbour School

  • Special
  • Academy special converter
  • Ages 5 to 19

URN 147720 · Portsmouth · SOUTHERN EDUCATION TRUST

In Portsmouth

Inspection

Ofsted management information, as at 30 September 2026.

Latest report card inspection

18 March 2026

Ofsted category: Special measures.

Inclusion
Urgent improvement
Curriculum and teaching
Needs attention
Achievement
Urgent improvement
Attendance and behaviour
Urgent improvement
Personal development and wellbeing
Urgent improvement
Leadership and governance
Urgent improvement
Safeguarding standards
Met

Unannounced visit (no formal designation)

Report cards, used from 10 November 2025, grade each area on a five-point scale and give no overall grade. Safeguarding is met or not met.

Earlier inspection, different framework

Earlier full inspection

3 December 2024
Quality of education
Requires improvement
Behaviour and attitudes
Requires improvement
Personal development
Requires improvement
Leadership and management
Requires improvement
Safeguarding is effective
Yes

Serious Weaknesses S5 Reinspection

From September 2024 until report cards began, full inspections gave key judgements but no overall grade.

Read the reports on Ofsted’s website. Source: Ofsted, State-funded school inspections and outcomes: management information.

Attendance

Against Portsmouth and England, special schools.

Overall absence

2024/25

48.6%

Portsmouth
21.5%
England
12.8%

35.8 percentage points higher than England.

12.629.446.12017/182024/25
This schoolPortsmouthEnglandShaded: COVID years, no comparable data
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Overall absence
YearThis schoolPortsmouthEngland
2017/18Not published18.6%10.2%
2018/19Not published18.0%10.1%
2020/2137.3%17.7%15.2%
2021/2233.9%18.8%13.2%
2022/2341.4%20.4%13.0%
2023/2445.2%20.5%13.0%
2024/2548.6%21.5%12.8%

Sessions missed for any reason, as a share of all possible sessions in the school year. Source: Department for Education, Explore Education Statistics, Pupil absence in schools in England, 2024/25.

Persistent absence

2024/25

91.6%

Portsmouth
54.2%
England
35.3%

56.3 percentage points higher than England.

32.960.287.52017/182024/25
This schoolPortsmouthEnglandShaded: COVID years, no comparable data
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Persistent absence
YearThis schoolPortsmouthEngland
2017/18Not published47.4%29.6%
2018/19Not published48.3%28.8%
2020/2185.0%45.3%48.9%
2021/2284.1%53.2%40.4%
2022/2382.3%51.6%38.3%
2023/2490.0%52.3%37.2%
2024/2591.6%54.2%35.3%

Pupils who missed 10% or more of their possible sessions, as a share of pupils. Source: Department for Education, Explore Education Statistics, Pupil absence in schools in England, 2024/25.

Severe absence

2024/25

52.2%

Portsmouth
19.8%
England
6.9%

45.3 percentage points higher than England.

8.729.049.22017/182024/25
This schoolPortsmouthEnglandShaded: COVID years, no comparable data
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Severe absence
YearThis schoolPortsmouthEngland
2017/18Not published16.5%4.4%
2018/19Not published16.0%4.6%
2020/2134.8%14.8%5.6%
2021/2227.8%12.4%5.8%
2022/2342.8%18.8%6.2%
2023/2445.0%17.9%6.7%
2024/2552.2%19.8%6.9%

Pupils who missed 50% or more of their possible sessions, as a share of pupils. Source: Department for Education, Explore Education Statistics, Pupil absence in schools in England, 2024/25.

Suspensions and permanent exclusions

Against Portsmouth and England, special schools.

Suspensions per 100 pupils

2024/25

326.83

Portsmouth
54.05
England
12.32

314.51 higher than England.

23.1164.3305.42017/182024/25
This schoolPortsmouthEnglandShaded: COVID years, no comparable data
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Suspensions per 100 pupils
YearThis schoolPortsmouthEngland
2017/18Not published127.7712.34
2018/19Not published123.3411.32
2019/20Not published44.137.76
2020/218.661.937.29
2021/228.851.699.60
2022/23159.4326.2410.99
2023/24229.7032.8712.62
2024/25326.8354.0512.32

Suspensions in the school year for every 100 pupils on roll. One pupil can be suspended more than once. Source: Department for Education, Explore Education Statistics, Suspensions and permanent exclusions in England, 2024/25.

Permanent exclusions per 100 pupils

2024/25

0.00

Portsmouth
0.13
England
0.08

0.08 lower than England.

0.00.10.12017/182024/25
This schoolPortsmouthEnglandShaded: COVID years, no comparable data
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Permanent exclusions per 100 pupils
YearThis schoolPortsmouthEngland
2017/18Not published0.000.07
2018/19Not published0.000.06
2019/20Not published0.000.04
2020/210.000.000.03
2021/220.000.000.05
2022/230.000.000.08
2023/240.000.000.08
2024/250.000.130.08

Permanent exclusions in the school year for every 100 pupils on roll. Source: Department for Education, Explore Education Statistics, Suspensions and permanent exclusions in England, 2024/25.

Key stage 2 results

Against Portsmouth and England, primary schools.

Reading, writing and maths: expected standard

2024/25

0%

Not compared with mainstream schools.

0112022/232023/242024/25
This school
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Reading, writing and maths: expected standard
YearThis school
2022/23Not published
2023/24Not published
2024/250%

Pupils at the end of key stage 2 who met the expected standard in reading, writing and maths combined. Source: Department for Education, Explore Education Statistics, Key stage 2 attainment, 2024/25.

Reading, writing and maths: higher standard

2024/25

0%

Not compared with mainstream schools.

0112022/232023/242024/25
This school
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Reading, writing and maths: higher standard
YearThis school
2022/23Not published
2023/24Not published
2024/250%

Pupils at the end of key stage 2 who met the higher standard in reading, writing and maths combined. Source: Department for Education, Explore Education Statistics, Key stage 2 attainment, 2024/25.

Key stage 4 results

Against Portsmouth and England, secondary schools.

Attainment 8

2025/26 (provisional)

6.4

Not compared with mainstream schools.

3.35.16.82023/242024/252025/26
This school
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Attainment 8
YearThis school
2023/247.1
2024/253.0
2025/26 (provisional)6.4

The average of pupils' points across eight GCSE-level qualifications, with English and maths counted twice. Source: Department for Education, Explore Education Statistics, Key stage 4 performance, 2025/26.

English and maths: grade 4 or above

2025/26 (provisional)

9%

Not compared with mainstream schools.

3692023/242024/252025/26
This school
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English and maths: grade 4 or above
YearThis school
2023/243%
2024/253%
2025/26 (provisional)9%

Pupils at the end of key stage 4 with grade 4 or above in both English and maths. Source: Department for Education, Explore Education Statistics, Key stage 4 performance, 2025/26.

English and maths: grade 5 or above

2025/26 (provisional)

3%

Not compared with mainstream schools.

1232023/242024/252025/26
This school
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English and maths: grade 5 or above
YearThis school
2023/243%
2024/250%
2025/26 (provisional)3%

Pupils at the end of key stage 4 with grade 5 or above in both English and maths. Source: Department for Education, Explore Education Statistics, Key stage 4 performance, 2025/26.

Pupils

Against Portsmouth and England, special schools.

Eligible for free school meals

2024/25

80.5%

Portsmouth
59.5%
England
48.8%

31.7 percentage points higher than England.

46.862.478.12021/222022/232023/242024/25
This schoolPortsmouthEngland
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Eligible for free school meals
YearThis schoolPortsmouthEngland
2021/2273.5%54.2%44.4%
2022/2367.9%54.0%45.6%
2023/2477.2%57.2%47.1%
2024/2580.5%59.5%48.8%

Pupils known to be eligible for free school meals on census day in January. Source: Department for Education, Explore Education Statistics, Schools, pupils and their characteristics, 2024/25.

SEN support

2024/25

22.8%

Portsmouth
6.8%
England
0.5%

22.3 percentage points higher than England.

3.812.721.72021/222022/232023/242024/25
This schoolPortsmouthEngland
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SEN support
YearThis schoolPortsmouthEngland
2021/2215.0%8.9%0.9%
2022/239.4%8.7%0.8%
2023/2417.8%9.7%0.7%
2024/2522.8%6.8%0.5%

Pupils receiving special educational needs support without an education, health and care plan. Source: Department for Education, Explore Education Statistics, Schools, pupils and their characteristics, 2024/25.

Education, health and care plan

2024/25

77.2%

Portsmouth
93.2%
England
99.5%

22.3 percentage points lower than England.

78.788.498.02021/222022/232023/242024/25
This schoolPortsmouthEngland
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Education, health and care plan
YearThis schoolPortsmouthEngland
2021/2285.0%91.1%99.1%
2022/2390.6%91.3%99.2%
2023/2482.2%90.3%99.3%
2024/2577.2%93.2%99.5%

Pupils with an education, health and care plan. Source: Department for Education, Explore Education Statistics, Schools, pupils and their characteristics, 2024/25.

First language other than English

2024/25

2.4%

Portsmouth
17.0%
England
14.4%

12.0 percentage points lower than England.

2.89.516.12021/222022/232023/242024/25
This schoolPortsmouthEngland
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First language other than English
YearThis schoolPortsmouthEngland
2021/223.5%16.0%14.5%
2022/231.9%16.9%14.4%
2023/241.0%17.0%14.4%
2024/252.4%17.0%14.4%

Pupils whose first language is known or believed to be other than English. Source: Department for Education, Explore Education Statistics, Schools, pupils and their characteristics, 2024/25.

Teachers

Against Portsmouth and England, special schools.

Pupils per qualified teacher

2025/26

6.0

Portsmouth
7.0
England
7.3

1.3 lower than England.

2.84.97.02017/182025/26
This schoolPortsmouthEnglandShaded: COVID years, no comparable data
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Pupils per qualified teacher
YearThis schoolPortsmouthEngland
2017/18Not published4.86.7
2018/19Not published5.26.8
2019/20Not published6.07.0
2020/21Not published6.16.8
2021/224.06.06.9
2022/232.75.57.0
2023/242.55.57.1
2024/253.46.37.3
2025/266.07.07.3

Full-time equivalent pupils for each full-time equivalent qualified teacher. Source: Department for Education, Explore Education Statistics, School workforce in England, 2025/26.

Teacher sickness absence

2024/25

4.0 days

Portsmouth
6.0 days
England
5.0 days

1.0 days lower than England.

Compared with all state-funded schools: DfE publishes this measure for all schools, not by phase.

4.37.310.32017/182024/25
This schoolPortsmouthEnglandShaded: COVID years, no comparable data
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Teacher sickness absence
YearThis schoolPortsmouthEngland
2017/18Not published4.2 days4.0 days
2018/19Not published4.1 days4.0 days
2019/20Not publishedNot publishedNot published
2020/21Not published4.6 days3.9 days
2021/2210.7 days7.8 days6.3 days
2022/236.6 days5.2 days5.2 days
2023/249.0 days5.7 days5.3 days
2024/254.0 days6.0 days5.0 days

Days lost to sickness absence in the school year, averaged across all teachers. Source: Department for Education, Explore Education Statistics, School workforce in England, 2024/25.

Finance

Academies report their accounts as part of their trust, so DfE publishes no school-level balance for this school. The trust’s figures are in DfE’s Financial Benchmarking and Insights Tool.

See this school in the Financial Benchmarking and Insights Tool

About the school

Pupils on roll
169
Capacity
200
Type
Academy special converter
Phase
Special
Age range
5 to 19
Gender
Mixed
Trust
SOUTHERN EDUCATION TRUST
Opened
1 January 2021
Setting
Urban: Nearer to a major town or city
Constituency
Portsmouth North
Special educational needs provision
SEMH - Social, Emotional and Mental Health
Deprivation of the area (IDACI)
Decile 5 of 10 (1 is the most deprived tenth of neighbourhoods)

Address: Tipner Lane, Tipner, Portsmouth, Hampshire, PO2 8RA

Website: www.theharbourschoolportsmouth.com

Telephone: 02392665664

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Sources and corrections

Every figure on this page names its source and period. This release was built on 20 October 2026.

Spotted something wrong? Report a correction with the school’s URN (147720). Fixes go out in the next weekly release.