You've made some pretty striking observations in that recruiting is not measuring up, that leadership reduction is an issue and that course access is a problem; erratic would perhaps be one way to put it.
Vous avez formulé des observations assez étonnantes concernant l'insuffisance des activités de recrutement, la malencontreuse réduction du leadership et l'accès problématique aux cours; erratique serait peut-être une meilleure façon de le dire.