Lemon cookies with a dusting of powdered sugar. A National Electrical Code handbook quiz. A zombie-killing video game.

These were among the projects of career and technical education high school students on display in the exhibit hall at this year’s Spring Education Conference.

“It’s really important for people to see what CTE students are doing across the city,” said Kyle Pierre, a teacher of website design and development at the Academy of Innovative Technology in Brooklyn who brought a group of 10th-graders. “CTE is still a hidden gem within the city public school system.”

The students also benefited from the experience.

Laurel Parker, who teaches commercial electrical work at Coop Tech in Manhattan, said the code book quiz, in which conference goers could test their knowledge of electricity, was an idea of her students, who worked on it in the classroom and on their own time.

She said the exhibit hall gave the students the opportunity to practice their communication skills. “It’s the hardest thing about being out in the world and the community,” Parker said. “This event is a chance for them to showcase their work and talk to other adults.”

Amir Johnson, who was cutting the hair of his Coop Tech teacher, Tarik Golden, said he dreams of using his barbering license to develop a business of cutting the hair of celebrities and influencers.

“It’s setting me up for success,” Amir said about his participation that day. “It’s really great exposure for me.”

This year, in keeping with the conference’s New York City theme, city museums had a big presence at the exhibit hall while Mr. and Mrs. Met, the official mascots of the New York Mets, roamed the aisles.