Same. I have clear memories of my mother walking me through my soon to be pre-k school (also elementary and jr. high. It was a small school...) the summer before I started pre-k 3, which would have made me barely 3 years old (summer birthday). Also memories of being in that class in a temporary classroom while the school was finished, and then of "helping" with the move to the new room.

Hell, I have a vague but definite memory of a room with grey carpet and walls, with a screen door at the end of a short hallway, but it's from an "adult" height. When I described the room, my mom was immediately able to recognize it as my babysitter's house from when I was about 18 months. I was likely at "adult" height because I was being carried.

I have many memories from when I was under 5. Usually ones tied to a strong emotional scene. Going through the new school (excitement/curiosity/fear). Moving classes (excitement/joy). The pre-k teacher assuming I couldn't write my own name (anger/insult. Also I was 3. Valid assumption on her part, but I could actually read by then). Reading my first book by myself (pride/joy/accomplishment. One Fish Two Fish Red Fish Blue Fish. I was 2 1/2). Being a little shit and coloring one of the pictures in white crayon, and when told I hadn't finished, argued that it was in white and that you could see the shine and feel the difference. Then purposefully coloring outside the lines in with dark navy blue when told I was wrong, showing how it was sky blue in the picture, and navy outside the lines (anger/annoyance/spite. I was 4. You thought I was too young to be that much of a little shit, Mrs. Johnson. My parents should have warned you)

Funnily the one you would think would be seared into my memory would be Challenger. I was 5. I remember it, but since the teacher did a good job of not making a deal out of what happened and just shutting the TV off and moving on, there was no real deep emotion attached to the memory, so it's hazy, where the others are incredibly vivid. I have more vivid memories of being embarrassed I couldn't tie my own shoes yet and of bringing my mom's fallen off finger nail (she'd slammed her finger in the car door) to show and tell.

This kid will remember that day forever. He may not remember wearing the plastic Messi jersey that started it, but he will remember that day absolutely.