(Thread necromancy in progress)
Traveller education (2d6, avg 7) is a general attribute for a broadly applicable knowledge set, usually from formal education.
So, numerical scores would imply:
2 - Low literacy, little to no knowledge outside of their personal sphere of contact. Any schooling was lost on them.
4 - Functionally literate. Personal knowledge is limited to their regional culture and personal subculture. Some knowledge of family professions.
6 - Literate. Experiences periodicals of personal interest on occasion. Has a functional knowledge of their world culture, but focuses on their regional culture.
8 - Educated. Well-rounded personal education with continuing educational interests. Good knowledge of their world culture, basic science, history, and local systems.
10 - Very educated. Actively seeks out news and knowledge. Broad knowledge of home world local systems both current and recent historical, good knowledge of humaniti cultures.
12 - Highly educated. As 10, but with greater depth of knowledge, and some basics of uncommon technical knowledges. Actively analyzes news of current events. Within their personal field(s), they are a walking source of knowledge regarding impactful events, their implications, and the people involved.
14 - Cutting Edge. As 12, but to the extent that they rapidly become an influencer in any relevant society, often sought out by journalists for their perceptions.