The Student: Light Skin Tone emoji is a ZWJ sequence combining ? Person, ? Light Skin Tone, Zero Width Joiner and ? Graduation Cap. These display as a single emoji on supported platforms.
Student: Light Skin Tone was added to Emoji 12.1 in 2019.
U+1F9D1
U+1F3FB
U+200D
U+1F393
??? Adult
??? Emoji modifier fitzpatrick type-1-2
??? Zero width joiner
??? Graduation cap