Good, and unusually so for a dense urban seafront district. The primaries are the strong end, and there are a lot of them within walking distance. The inspection record across the city runs heavily positive. The secondary picture is thinner, because there are only two of them. This is one of the few things about Southsea that requires no caveat at all before you get to the caveat.
On primaries, eight mainstream state schools sit in the area, and their key stage two maths performance averages a scaled score of about 104, which is above the expected standard of 100. Craneswater Junior School carries the reputational weight, and Southsea Infant School carries the name, but the density is the actual story: Meon Infant and Meon Junior, Fernhurst Junior, Cumberland Infant, Devonshire Infant, Moorings Way Infant, Bramble Infant, Milton Park Primary, Wimborne Primary and St Swithun's Catholic Primary all sit inside the same few square miles. On Department for Transport modelling a primary school is about six minutes' walk away, which in an area where a third of households run no car is not a convenience, it is the entire logistics of the school run.
Secondary is where the arithmetic tightens. Two mainstream state secondaries sit in the area, Priory School and Ark Charter Academy, and their pupil-weighted Attainment 8 score comes in at about 42. A secondary is roughly fifteen minutes' walk or thirteen minutes on public transport. Two is not many, and it means the secondary conversation here is less about which school and more about whether you get the one you wanted. There is also an independent option, with Portsmouth High School and Mayville High School taking fee-paying pupils, and Mary Rose Academy providing specialist provision.
Ofsted has published overall effectiveness grades for 22 settings across Portsmouth as a whole, not just this area, and 20 of them are good or better. Two are outstanding. One requires improvement and one is inadequate. Better than nine in ten graded good or above is a strong record by any standard, and it is the kind of number that stays quietly out of local conversation because nobody complains about a school that is fine. A further 27 settings across the authority hold no published grade yet, which means untested rather than anything else.
The usual warning applies harder here than in most places. Being able to see a school from your bedroom window is not the same as being offered a place at it. Portsmouth allocates on the published admissions criteria, distance is one of them, and none of the schools named here comes with a guarantee attached to a postcode. Buyers who check the current admissions arrangements before offering on a house tend to be happier in September than buyers who assumed the map was the rule. The boundaries move, the applications numbers move, and the estate agent's floorplan is not an admissions document.
The schools are the strongest thing about living in Southsea, and it is not close. If you are moving for the primaries, you have picked well.