The International Schools Review Forum

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How long is a piece of string?
You have decent experience, but unless you have overseas experience plus excellent references, you're not floating straight to the top of a recruiter's radar. I'd say you're likely to get posts (assuming decent references), but without going to a fair, you're likely to have to wait until the fairs are over and schools are trying to fill leftover posts.
You should be very active about contacting schools with positions that suit the two of you. If you're passively waiting for them to come to you, it's not likely to happen.

Replies to applications come somewhere between immediately and never. Most schools dont like to deliver bad news so they either send a form rejection letter when they have finished ALL recruiting for a season, or they specify a date in their vacancy after which if you have not been contacted then you did not make the short list (an interview).

Your marketability is pretty low. You have decent experience but your both primary teachers which is in low demand and your competing against each other for essentially the same job. Schools like to save their primary vacancies for teaching couples where one is a hard to fill secondary or support vacancy and the spouse needs a contract as part of the deal. At any upper tier school theres only going to be one primary vacancy and you need two of them. Whats likely in this scenario is that one of you would be a trailing spouse, and thats whats going to make you unemployable, is then its a rack ratio of 1:4 (one employee, 4 travelers), and youd just be too expensive for a primary school teacher. Further compounding the issue is that with a one year old one of you is going to have to stay home, as parents with an infant child are just a lot of headache for a school (and the expenses).