It was about a Mexican philosopher callnamed Antonio Caso. It was about a Mexican philosopher named Antonio Caso.

“Named” is more accurate usage here. Your text is factual and thus informative in nature, it states, it handles facts and opinions with an objective tone. I would stay formal with “named”. Correct/common examples of “called”: “She had a boy called Steve.” “He was a boy called Steve.” “She called the dog by its name.” More for casual writing conventions.

He studied at the Escuela Nacional Preparatoria number 1. He studied at the Escuela Nacional Preparatoria number 1.

numero uno maybe? haha

He studied at the Escuela Nacional Preparatoria number 1 and wanted to become a philosopher even though he studied law. He studied at the Escuela Nacional Preparatoria number 1 and wanted to become a philosopher even though he studied law.

Although these sentences are grammatically correct, repeating the same sentence structure can be boring. Try combining sentences.

He studied at the Escuela Nacional Preparatoria nNumber 1. He studied at the Escuela Nacional Preparatoria Number 1.

Since it's a name, I made it capital.

He wanted to become a philosopher even though he studied law. He wanted to become a philosopher even though he studied law.

He became an excellent teacher who gave his life forto education. He became an excellent teacher who gave his life to education.

Or even better, "dedicated his life to education."

He became an excellent teacher who gave his life for education. He became an excellent teacher who gave his life for education.

He became an excellent teacher who gave his life for education. He became an excellent teacher who gave his life for education.

He became an excellent teacher who gave his life for education. He became an excellent teacher who gave his life for education.

A becomes a before nouns beginning with: a, e, i, o or u.

He became an excellent teacher who gave his life for education. He became an excellent teacher who gave his life for education.

I learnted about his perspective, f. For example, he believed that the end doesn't justify the means, and that school must be ashould mirror of how we want our society to be. I learned about his perspective. For example, he believed that the end doesn't justify the means, and that school should mirror how we want our society to be.

"Learned" is used more commonly, at least in America. Second part if fine, but it sounds better this way.

I learnted about his perspective, f. For example, he believed that the end doesn't justify the means, and that school must be a mirror of how we want our society to be. I learned about his perspective. For example, he believed the end doesn't justify the means, and that school must be a mirror of how we want our society to be.

I learnted about his perspective, for example, he believed that the end doesn't justify the means, and that school must be a mirror of how we want our society to be. I learned about his perspective, for example, he believed that the end doesn't justify the means, and that school must be a mirror of how we want our society to be.

"learned' is American English, while "learnt" is British. Make sure you're consistent with which English you're using.

I learnt about his perspectives, for example, he believed that the end doesn't justify the means, and that school must be a mirror of how we want our society to be. I learnt about his perspectives, for example, he believed that the end doesn't justify the means, and that school must be a mirror of how we want our society to be.

If you are writing “for example”, you automatically imply that there is more than one potential option. Therefore, perspective should be a plural to represent this fact.

I learnt a bit about his perspective,; for example, he believed that the end doesn't justify the means, and that school must be a mirror of how we want our society to be. I learnt a bit about his perspective; for example, he believed that the end doesn't justify the means and that school must be a mirror of how we want our society to be.

Furthermore, he was part of a conference group called, " El aAteneo de la jJuventud". Furthermore, he was part of a conference group called El Ateneo de la Juventud.

Furthermore, he was part of a conference group called, "El aAteneo de la jJuventud"." Furthermore, he was part of a conference group called "El Ateneo de la Juventud."

Punctuation & capitalization