Good, and every parent in the borough knows it. Almost every graded school nearby is good or better. None has been rated inadequate. The nearest primary is a short walk away. The schools are the easy part. The admissions letter is the hard one.
Ofsted has graded 24 schools across the Wokingham borough, and 22 of them are good or outstanding, which is nearly all of them. Four hold an outstanding grade, 18 are good, two require improvement and none is inadequate. Those counts cover the whole local authority, not Sindlesham alone, so they describe the pool families here are fishing in rather than the village's own classrooms. Another 38 settings hold no published grade yet, which says nothing about their quality in either direction. A borough where the worst published outcome is "requires improvement" is a borough where parents have run out of things to complain about and moved on to arguing over which good school is gooder.
None of this buys a place. Admission runs on each school's own criteria, and living near a well-regarded school is not the same as being offered a seat in it. The only reliable guide is the admissions policy of the specific school and the council's allocation rules for the year you apply. Buyers who assume the address comes with the school tend to learn the difference in spring, from a letter.
Bearwood Primary School is the obvious name to check for families on the Sindlesham side of the M4. Winnersh Primary School sits just across the motorway. For secondary, The Emmbrook School and The Holt School both appear on the local list, alongside The Forest School. Reddam House Berkshire is also nearby for families weighing a different route. The rest of the local register runs to a string of infant, junior and primary schools across Winnersh, Emmbrook and Wokingham, which gives parents options rather than a single point of failure.
The Department for Transport's 2019 modelling puts the nearest primary about 16 minutes' walk away and the nearest secondary about 25 minutes on foot or 11 by car. That is close enough for a primary-age school run on foot and a secondary commute that does not need a timetable. The car will still get used, because this is Sindlesham and the car always gets used.
Schools are one of Sindlesham's real strengths. The quality is not in doubt; the competition for it is.