As of my last knowledge update in January 2022, Latymer Upper School and Latymer Prep School are associated institutions in London, United Kingdom. Here's some information about each:

1. **Latymer Upper School:**
- **Type of School:** Latymer Upper School is an independent co-educational day school.
- **Educational Stages:** The school covers secondary education, typically from ages 11 to 18, including the Sixth Form (ages 16 to 18).
- **Curriculum:** Latymer Upper School likely follows the National Curriculum but may offer a broad and balanced curriculum, including a range of subjects at both GCSE and A-levels.
- **Facilities:** Independent schools often have modern facilities, including classrooms, science laboratories, sports facilities, and arts spaces.
- **Extracurricular Activities:** The school likely offers a variety of extracurricular activities, including sports, arts, music, and clubs.
- **Admissions:** Admission to independent schools like Latymer Upper is typically competitive. Prospective students and parents should check the school's official website or contact the admissions office for details.

2. **Latymer Prep School:**
- **Type of School:** Latymer Prep School is the preparatory division, providing education for younger students.
- **Educational Stages:** The Prep School likely covers primary education, generally from Reception or Year 1 to Year 6.
- **Curriculum:** Similar to the Upper School, Latymer Prep School likely follows the National Curriculum with an emphasis on a well-rounded education.
- **Facilities:** The Prep School is likely equipped with facilities suitable for younger students, including classrooms, play areas, and educational resources.
- **Admissions:** Admission to the Prep School is typically based on a competitive process, and parents should refer to the school's official website or contact the admissions office for specific information.

For the most accurate and current information about Latymer Upper School and Latymer Prep School, including any changes or developments that may have occurred after January 2022, I recommend visiting the official websites of the schools or contacting them directly.