A/N: This is a small idea I got. I'll try to update as much as I can. This is a Mortal High School AU with a bit of Mpreg. (Happy Mpreg I swear lol). I do not own the characters. They belong to Cassandra Clare.

Update: I'm changing Max's age to Ten years old.

Chapter 1:

"Now remember, I will be picking you up right at this spot at 3:30," Alec told Max.

"I know I know," Max rolled his eyes. "Can I go now? I'm gonna be late for class?"

"Sorry," Alec chuckled and ruffled his hair. "I'll see you later okay?"

Max nodded and gave him a quick hug before going to meet his friends. Alec waited until he was inside before jogging back over to his car and getting in putting the heat on full blast. He loved fall but he hated the cold air.

Alec glanced at the clock and swore under his breath. He was going to be late for his first day. Not the best impression for a prep school. He made the quick drive to the school, driving the speed limit of course, and parked before grabbing his brief case and getting out of the car.

"Hi…I know I'm late, I'm Alexander Lightwood," he told the secretary as he approached her desk. "I'm supposed to be subbing for a Mrs. Warnen?"

"Wait here while I let the Headmaster know," she told him.

She stood up and went into the back office and returned with a tall grey haired man following her out.

"I'm Headmaster Elric, welcome to Idris Prep," he smiled offering his hand to shake.

"I am really sorry about being late sir, my brother was supposed to take our younger brother to school but he's at home with the flu so I had to take him."

"It's quite alright," the headmaster gave him a reassuring smile. "I really appreciate you accepting this job on such notice."

"I was happy to get the call," Alec chuckled running a hand through his hair. "I promise this shouldn't happen again."

"Ah, Magnus, this is Mr. Lightwood. He'll be filling in for Mrs. Warner. Could you take him to her classroom please?" the headmaster asked the young man walking into the office.

"Must I?" He asked.

"It will excuse the fact you are tardy again this week," the elder answered. "So yes, you must."

Alec glanced over at the student. He was tall, shorter by Alec then two inches so he guessed six feet. Black hair with hot pink and purple high lights. Purple eyeshadow, thick black kohl eyeliner and purple lip stick.

He was dressed in a black sweater with a pair of purple skinny jeans with rips in the thighs and knees, knee high boots laced all the way up, rings on each finger and his nails painted a nice glittery pink.

"Magnus will show you to Mrs. Warner's classroom. There's still about an hour before her first class so you can set up. We've already explained to the students what has happened. Magnus here is one of her best students so if you need anything explained just ask him and he can give you a run through."

Alec nodded and fixed the strap of his briefcase. "Great." He smiled at Magnus.

"I do hope you enjoy your first day at Idris Prep Mr. Lightwood." He handed him a set of keys.

"That makes two of us," Alec nodded accepting them.

He looked back at the student who glanced at him before heading towards the door and not checking to make sure he followed after him.

"So, you're a fan of history?" Alec asked trying to start conversation.

"I like history yes," Magnus answered. "Keys."

Alec handed him the keys and the student took them as they walked up to a door and found the right one sticking it in the lock and pressing some of his weight against.

"The door sticks so sometimes when it opens," he added turning the handle. "But you have to be gentle when you shove it or else you'll fall in. That'd be an embarrassing move on your first day."

"Good to know," Alec said.

"After you," Magnus replied holding the door open.

"Thank you."

Alec walked into the classroom and set his briefcase down on the table.

"When do you have this class?" Alec asked.

"Not until 8th period," Magnus answered dropping his bag onto one of the desks and went over to the window.

He leaned over a bit as Alec looked over and he straightened a bit. Those jeans did not leave much to the imagination.

"O…oh?" Alec looked back down at the desk.

"But I'm her teacher's aide for fifth after lunch, so you think you can last that long without assistance?" He teased.

"Well it looks like Mrs. Warner managed to leave me some semblance of a lesson plan for today at least," he said picking up the paper. "Is there anything I should be aware of?"

"There's a seating chart, Mrs. Warner wasn't always so good with names, top left desk drawer, this may be a prep school but don't be surprised if they try and pull the old 'oh it's okay if I sit here, Mrs. Warner lets me'"

Alec laughed a little bit at Magnus's impression of another student. "Who was that supposed to be?"

"This guy in my art class, I don't think he has too many tools in his tool box if you know what I mean. To many hits in the head from football practice."

"You shouldn't make fun of something," Alec shook his head but failed at hiding his amused smile. "It's not nice."

"He's a total dick," Magnus rolled his eyes.

"You shouldn't use that kind of language either."

"How old are you?" Magnus walked over and leaned against the desk crossing his arms over his chest. "No offense but, you look a little young to be a teacher."

"I just turned 24," Alec answered. "And I skipped a few grades and graduated early…"

"So family money then? Rich parents. Makes sense," Magnus nodded grabbing his bag off the desk.

"Scholarship then?" Alec asked.

"Pays for everything except my supplies," Magnus answered. "Good luck with your first class. See you in a few hours."

Alec gave him a small waved and watched him go, pushing the thoughts out of his head that were anti-teacher and prepared for his first class. It was going to be a very long day and he wanted to make a good impression.

"Six classes, one more to go," Alec sighed as he ran a hand through his hair. He glanced at his watch. He had a few minutes to take a quick bathroom break. Quick being the operative word.

He remembered their being a bathroom right across the hall and two doors down. He walked quickly and slipped into the bathroom and paused.

"Shhh, did you hear that?"

"I can't hear anything over the sound of the noises you're making."

"We have less than three minutes, will you hurry up and nng…fuck…"

Alec turned on his heel and quickly walked out of the bathroom and back to the classroom. He could hold it for another hour and a half if need be.

"Good after noon," he smiled as the bell rung. "I'm your substitute Mr. Lightwood. I really-"

He looked over as the door to the classroom opened and Magnus walked in closing the door behind him.

"Late again Magnus," one of the students said. "Enjoy the time spent on your knees?"

"Wanna enjoy some time flat on your back Graymark? It can be arranged," Magnus replied.

"Just please take your seat," Alec said. "And keep the comments to yourself."

Magnus took his seat in the back of the class and crossed one leg over the other taking out his notebook and a pen.

"As I was saying, I hope that we can all get along with each other…I'm going to start with roll call so if I call your name please say hear and I apologize if I mess up your name alright?"

He breezed through roll call. Only two absences, one tardy and only one mispronunciation. So far so good.

"So according to Mrs. Warner's lesson plan you were studying about eh…" he looked through the papers on his desk.

"World War 2, we were learning about Hitler and the internment camps he set up."

"Right," Alec nodded and looked at the seating chart and the student who spoke. "Scott. Thank you."

"I prefer Woolsey and you're welcome," the young man gave him a mock military salute.

Alec picked up the textbook and flipped to the chapter he had marked. And found the lesson plan for that class.

"Mrs. Warner had a couple questions that she wanted you to answer in your notebooks and turn in at the end of class today," he picked up the piece of chalk and began writing on the board. "And then turn to someone sitting next to you and discuss what you wrote."

Alec finished writing the questions on the board and set the chalk down. "While you do that I am going to use the bathroom."

He stepped out and went across the hall to the bathroom. He washed his hands once he was finished and dried them on a paper towel before returning to class. He glanced at the clock. Only an hour left to go.

"You're late…you said 3:30…" Max said as he got in the car.

"I got held up at work, the headmaster wanted to see how my first day went," Alec apologized. "How was school?"

"Fine I guess, Daniel brought his pet toad to school, the teacher wouldn't let us touch it though."

"I'm glad she didn't. They can carry all sorts of diseases," Alec answered wrinkling his nose. "No one else in this family needs to be sick or in the hospital."

Max nodded a little bit. "Can we have pizza for dinner?"

"Sure thing. We can order it when we get home okay?"

Max grinned. "Half cheese and half pepperoni with peppers."

"You got it."