A military school! He feared such an institution as the animal fears a trap.

No, he would certainly never go to such a place.

And as for public school--He sighed deeply at the thought of it.

He was given till evening to make up his mind as to what he intended to do.

Well, he knew what he would do, and he did not have to wait till evening to find it out.
He got up with a determined look on his face, put on his hat, and went out the front door.