Portsmouth High School is an independent day school located in Southsea, Portsmouth, Hampshire, United Kingdom. It is part of the Girls' Day School Trust (GDST), which is the UK's leading network of independent girls' schools.

Here are some key features and information about Portsmouth High School GDST:

1. **Type of School:** Portsmouth High School is an independent day school for girls.

2. **Age Range:** The school caters to girls from nursery age (around 3 years old) through to sixth form (ages 16-18).

3. **Curriculum:** Portsmouth High School follows the National Curriculum for England, offering a wide range of subjects including English, mathematics, sciences, humanities, languages, arts, and vocational subjects.

4. **Extracurricular Activities:** The school offers a variety of extracurricular activities including sports, music, drama, art, debating, and community service.

5. **GDST Affiliation:** As part of the Girls' Day School Trust (GDST), Portsmouth High School benefits from being part of a network of schools that share best practices and resources. GDST schools are known for their commitment to providing high-quality education for girls.

6. **Facilities:** The school likely has modern facilities including classrooms, science labs, sports facilities, art studios, music rooms, and other amenities to support the students' education and extracurricular activities.

7. **Admissions:** Information about the admissions process, open days, and entry requirements can usually be found on the school's official website. The admissions process may include an assessment or interview.

8. **Community and Values:** Portsmouth High School GDST is likely to have a strong sense of community and a commitment to fostering confidence, independence, and academic excellence in its students. GDST schools often have a strong emphasis on empowering girls and preparing them for future success.

As with any school, it's important to check the school's official website or contact the admissions office directly for the most up-to-date and specific information about admissions, curriculum, and other aspects of school life.