The schools are the easy part of moving to Horam. About eight in ten graded schools across the county rate good or better. The village primary is a twenty-minute walk for a typical home. Secondary school means a car, a bus or a long walk. The hard part is paying for the house near them.
Ofsted has graded 67 schools in the counts that cover Horam, and 54 of them are good or better, about 81%. That figure is for the whole local authority area of East Sussex, not the village alone, so it tells you the standard you're buying into, not the verdict on a single classroom. Seven of those 67 are outstanding. Seven more require improvement and 6 are inadequate, so a good result isn't guaranteed, and a buyer who assumes every school in the list is fine is working from the headline, not the report. A further 84 settings hold no published grade yet. They're simply unrated, which says nothing either way about how good they are.
Distance is the practical question in a place spread across lanes. On the Department for Transport's 2019 modelling, the nearest primary was about 20 minutes on foot from a typical home in the Horam area, or 8 minutes by car. The nearest secondary was about 12 minutes by car, 35 by public transport and 53 on foot. For secondary school, a lift is the default. The bus is the fallback, and walking is a character-building exercise nobody signs up for twice.
The village's own primary is Maynards Green Community Primary School. For secondary, the realistic options are Heathfield Community College to the north and Hailsham Academy to the south, and which one you end up at depends on how admissions allocate places, not on which one you visited on open day. St Mary's School, at Maynards Green, is a special school with day and residential places, which matters to a smaller group of families but matters a great deal to them. The wider area has a string of Church of England and community primaries in the surrounding villages. Most families will choose from those, with one eye on the lanes and the other on the admissions rules.
None of this is a promise of a place. East Sussex allocates places under its own admissions rules, and a school named in a listing is a nearby option, not a seat in a classroom. The estate agent who writes "within catchment" is describing a hope. Check the council's published admissions criteria for the exact address before you offer, because the offer letter won't care what the particulars said.
Schools are one of Horam's real strengths, with a county standard most buyers would be glad of and a village primary within walking distance. The only homework is on transport and admissions, and it's better done before you exchange than after.