Photos: Kate Middleton visits north London school Britain's Catherine, Duchess of Cambridge, waves to students as she arrives for a visit to Nower Hill High School on November 24, 2021, in London. During the visit, the duchess joined a science lesson studying neuroscience and the importance of early childhood development. (Kirsty Wigglesworth-WPA Pool/Getty Images)
Photos: Kate Middleton visits north London school Britain's Catherine, Duchess of Cambridge, speaks with Dr. Elizabeth Rapa, senior researcher from the University of Oxford, during a visit to Nower Hill High School on November 24, 2021, in London. During the visit, the duchess joined a science lesson studying neuroscience and the importance of early childhood development. (Kirsty Wigglesworth-WPA Pool/Getty Images)
Photos: Kate Middleton visits north London school Britain's Catherine, Duchess of Cambridge, interacts with students during a visit to Nower Hill High School on November 24, 2021, in London. During the visit, the duchess joined a science lesson studying neuroscience and the importance of early childhood development. (Kirsty Wigglesworth-WPA Pool/Getty Images)
Photos: Kate Middleton visits north London school Britain's Catherine, Duchess of Cambridge, listens to students during a visit to Nower Hill High School on November 24, 2021, in London. During the visit, the duchess joined a science lesson studying neuroscience and the importance of early childhood development. (Kirsty Wigglesworth-WPA Pool/Getty Images)
Photos: Kate Middleton visits north London school Britain's Catherine, Duchess of Cambridge, smiles as she arrives for a visit to Nower Hill High School on November 24, 2021, in London. During the visit, the duchess joined a science lesson studying neuroscience and the importance of early childhood development. (Kirsty Wigglesworth-WPA Pool/Getty Images)
Photos: Kate Middleton visits north London school Britain's Catherine, Duchess of Cambridge, smiles as she arrives for a visit to Nower Hill High School on November 24, 2021, in London. During the visit, the duchess joined a science lesson studying neuroscience and the importance of early childhood development. (Kirsty Wigglesworth-WPA Pool/Getty Images)
Photos: Kate Middleton visits north London school Britain's Catherine, Duchess of Cambridge, interacts with students during a visit to Nower Hill High School on November 24, 2021, in London. During the visit, the duchess joined a science lesson studying neuroscience and the importance of early childhood development. (Kirsty Wigglesworth-WPA Pool/Getty Images)
Photos: Kate Middleton visits north London school Britain's Catherine, Duchess of Cambridge, interacts with students during a visit to Nower Hill High School on November 24, 2021, in London. During the visit, the duchess joined a science lesson studying neuroscience and the importance of early childhood development. (Kirsty Wigglesworth-WPA Pool/Getty Images)
Photos: Kate Middleton visits north London school Britain's Catherine, Duchess of Cambridge, smiles during a visit to Nower Hill High School on November 24, 2021, in London. During the visit, the duchess joined a science lesson studying neuroscience and the importance of early childhood development. (Kirsty Wigglesworth-WPA Pool/Getty Images)
Photos: Kate Middleton visits north London school Britain's Catherine, Duchess of Cambridge, speaks to Dr. Elizabeth Rapa, senior researcher University of Oxford (right), science teacher Mariam Kassir (left) and Liza Dimitriadis, science curriculum leader (second from left) during a visit to Nower Hill High School on November 24, 2021, in London. During the visit, the duchess joined a science lesson studying neuroscience and the importance of early childhood development. (Kirsty Wigglesworth-WPA Pool/Getty Images)