My son is 2.2 and has been been going to the same nursery one day per week for over a year. He was very clingy at the beginning but after a while (several months) seemed to get used to it and whilst not skipping in, went without crying. A few weeks ago I took him in and he just screamed. It took the staff about 10 mins to calm him down. Since then he has cried at every drop off. I thought it was improving but this morning he sobbed for ages again (I was waiting out of sight).
The staff tell me he is fine during the day and when I go to pick him up he is always playing happily and often doesn't notice me come in! He talks about the nursery workers at home in a positive way and doesn't seem unhappy when we mention nursery.
Has anyone else experienced this? Did you find a solution? I am going to move him to a nursery nearer home shortly and his current nursery have said they think the problem may be that he only goes once per week. I can see that argument but it doesn't explain why he was fine for months and then got upset again.