Graphemes are first introduced as lowercase. When and how do you introduce capital letters?

You should introduce capital letters during handwriting lessons. e.g. sS, mM, tT Another point is to teach capital letters with irregular high-frequency words (Camera Words) e.g. the/The.  The  is one of the most common decodable sentence starters. Teach children to recognise capital letters at the start of sentences. Teach students to recognise why they are different (eg. capital letter  T he is at the...