Portsmouth High School GDST and PHS alumnae

What Portsmouth High School GDST and PHS alumnae does

Portsmouth High School is an independent girls' day school in Southsea, Hampshire, United Kingdom, founded in 1882. It is affiliated with the Girls' Day School Trust (GDST), a UK network of independent girls' schools, and the company name explicitly references a PHS alumnae community, indicating ongoing engagement with former students. According to the available firmographic data, the organization has 24 employees and operates from Southsea, Hampshire.

The school offers secondary education to girls in the Portsmouth area as part of the broader GDST network, which provides shared governance, curriculum resources, and inter-school continuity. Its web presence is at portsmouthhigh.co.uk, though the primary source consulted returned only a loading/verification page with no substantive content, so detailed information on curriculum, facilities, enrollment, pricing, or governance is not available from the source data.

On the supplied data, no information is available regarding the school's revenue model (e.g., tuition structure, bursaries, endowment income), technology stack, AI use, product/service portfolio, partnerships, leadership team, or recent strategic actions. The investment-relevant picture is therefore limited to confirmed firmographic facts: 1882 founding, 24 employees, single Southsea location, GDST affiliation, and UK independent-school status.

Name

Portsmouth High School GDST and PHS alumnae

Website

https://portsmouthhigh.co.uk

Company type

Private

Headcount range

11–50 employees

Short description

Portsmouth High School is an independent girls' day school in Southsea, Hampshire, UK, founded in 1882 and affiliated with the Girls' Day School Trust (GDST). It serves female students in the Portsmouth area and maintains a PHS alumnae community.

Ownership category

akta.pro rank

Product category

Independent School Education

NAICS

Elementary and Secondary Schools (611110)

SIC

Services-Educational Services (8200)

akta.pro primary industry

Single-Sex (Boys/Girls) Private Schools (EDAJABAK)

Keywords

• Independent school education
• Girls day school
• Secondary education
• Alumnae network
• K-12 education

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Infrastructure

Core offering

Portsmouth High School GDST is an independent girls' day school founded in 1882, operating as part of the Girls' Day School Trust (GDST) network. It delivers secondary education to female students in Southsea, Hampshire, United Kingdom, and maintains an associated PHS alumnae network for former pupils.

Differentiator

Problem solved

Functional benefit

Products and services

• Portsmouth High School Education
• PHS Alumnae Network

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Direct peers

• James Allen's Girls' School (JAGS): Independent London day school for girls. Comparable single-sex, academically selective offering and similar parent demographic, though with a London premium location.
• Royal High School Bath (GDST): Another GDST-affiliated girls' school with a long heritage. Operates an identical governance and curriculum framework, providing a near-perfect model for benchmarking Portsmouth High's operating economics.
• Roedean School: Independent girls' school on the south coast, geographically proximate to Portsmouth High. Direct overlap in catchment and parental segment along the south coast.
• Cheltenham Ladies' College: One of the UK's most prominent independent girls' day and boarding schools. Directly comparable to Portsmouth High as a premium single-sex private K–12 institution targeting similar fee-paying parent segments in southern England.
• Sheffield High School (GDST): GDST sister school in northern England. Comparable size, governance, and target market, providing useful benchmarks for fee levels, enrolment, and operating costs.
• North London Collegiate School: Highly selective independent girls' school. Comparable in ethos and academic positioning, serving a similar premium fee-paying parent base across the UK and internationally.
• Nottingham Girls' High School (GDST): A sister school within the Girls' Day School Trust network. Shares the GDST operating model, governance, and brand positioning, making it the closest like-for-like comparable for Portsmouth High.
• Brighton Girls (GDST): GDST sister school on the south coast with day and nursery provision. Closest geographic and network peer to Portsmouth High, useful for regional benchmarking.

Broad incumbents

• Brighton College: Large co-educational independent school group with premium positioning. Comparable on southern English catchment, premium fees, and full K–12 day/boarding model, though co-ed rather than single-sex.
• Girls' Day School Trust (GDST): The umbrella charitable trust and central organisation of which Portsmouth High is a member. Comparable as the network-level parent entity governing shared services, brand, and capital allocation across all GDST schools.

Market position

Strengths3 records

Weaknesses3 records

Competitive moat2 records

Key risks3 records

Key highlights3 records

Customer concentration

• LinkedInlinkedin.com/school/portsmouth-high-school-gdst

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

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M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Portsmouth High School GDST and PHS alumnae