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History teacher at Juan Diego Academy accused of having improper relationship with student

The Mission Police Department on Tuesday arrested a history teacher at Juan Diego Academy accused of having sex with a student.

Mario Javier Delgado Jr HCSO Booking Photo

Officers arrested Mario Javier Delgado Jr., 31, of Edinburg, who is accused of engaging in a sexual relationship with a student. Delgado confessed when confronted by the principal, a dean, and a counselor.

“Yes,” Delgado said, according to the criminal complaint against him. “I did it with her once.”

Delgado remained at the Hidalgo County jail on Wednesday night and couldn’t be reached for comment.

During an interview at the Children’s Advocacy Center in Mission, the student said the sexual relationship started in March 2020 and continued until April 2021.

“The victim describes several incidents where she had sexual intercourse with Mr. Delgado on several occasions inside his car, at his house, and she performed oral sex on him at the Juan Diego Catholic Academy,” according to the criminal complaint.

In one instance, the student said that she performed oral sex on Delgado in his classroom.

“Victim stated she would also exchange nude videos and pictures of herself with the defendant,” according to the criminal complaint.

Officers arrested Delgado on Tuesday. He’s charged with improper relationship between educator and student, a second-degree felony.

A judge set bond at $100,000, according to Hidalgo County jail records.

If convicted, Delgado faces a maximum sentence of 20 years in prison and a fine not to exceed $10,000.


  1. anonymous on June 16, 2021 at 10:21 pm

    #freedelgado one of the best persons i’ve ever met

    • anonymous on June 17, 2021 at 11:06 am

      u r scum

    • anon on June 17, 2021 at 2:34 pm

      stop defending a sex offender u idiot

    • DelgadoStinks on June 17, 2021 at 9:49 pm

      I hope he just combusts in thin air lol

    • Del-nut sacks on June 22, 2021 at 11:27 pm

      facts bru

  2. anonmouse on June 17, 2021 at 7:01 am

    hang him

  3. anonymouse123 on June 17, 2021 at 10:51 am

    Yep, this is typical of catholic programs and in general. That is why one should turn to Christianity, stop worshipping statues or asking a man ‘father’ to forgive, there is only one real FATHER.

    • BM on June 18, 2021 at 5:19 pm

      Catholic schools and statutes have nothing to do with this situation.

    • Don’t have one on June 29, 2021 at 12:06 am

      He was actually a “Christian”. He goes to my church. Believe me we were all shocked when we find out.

  4. Freedom writer on June 17, 2021 at 11:16 am

    Teacher, student, and student’s parents are all guilty.

    • Anonymous on June 17, 2021 at 7:51 pm

      Don’t victim blame, she is a child and he is an adult who was very aware of his actions.

    • Miguel on June 17, 2021 at 9:12 pm

      If u trully believe the student is to blame, your brain is the size of a nut.

  5. DeezFingersInYaEyes on June 17, 2021 at 11:31 am

    He gon end up like Dahmer, beaten to death by his cell mates

  6. ... on June 17, 2021 at 7:59 pm

    are you seriously victim blaming right now?? AND accusing two girls with absolutely no proof? you’re vile. if you’re so confident with your accusations maybe stop hiding behind anonymity and say it to our faces. you’re disgusting.

  7. EpsteinDidntKillHimself on June 17, 2021 at 9:51 pm

    That’s No Good! He should be banned from any job imo he’s just gonna touch all the girls

  8. DelgadoEpstein on June 17, 2021 at 9:57 pm

    Kids, theres nothing more cool then being liked by some one you like, but if someone trys to touch you in a place or in a way that makes you feel uncomfortable, thats no good.

  9. Dre on June 18, 2021 at 10:32 am


  10. anonymous on June 18, 2021 at 2:37 pm

    He used to go to RGV Christian Church. Its located in Weslaco Texas. Look up about ICOC Cult survivors or stories and see how manipulative that place is.

  11. Opinion on June 18, 2021 at 3:49 pm

    I Believe it was a Consexual Relationship due to the long term it lasted for although it wasn’t correct to do what he did because he’s a Teacher

    • Opinion on June 18, 2021 at 3:53 pm

      It’s He’s an Adult he should’ve know what’s right and wrong

    • Name on November 4, 2022 at 9:54 pm

      A child cannot consent

  12. LigmaBalls on June 19, 2021 at 10:18 pm

    Yo this is kinda wack. Delgado does look like he touches kids, especially with those yellow chipmunk teeth, makes sense!

  13. Um on June 19, 2021 at 10:25 pm

    He really thought he could get away with it.

  14. MrDelgadoBurnerAcct on June 22, 2021 at 11:28 pm

    yo wtf this stuff is wack y’all trippin btw anyone know if imma be able to watch the suns win in 6 at the Hidalgo county jail man I hope they show the Western conference finals also shout out my girl Olivia Rodrigoat man that album was a banger. Alr y’all it’s been real #DelgadoOut

  15. Tf on June 28, 2021 at 7:26 am

    It’s ok guys he was a bad basketball coach anyways…bring back our 2018 coach😤😤😤

  16. Godblessyou! on June 29, 2021 at 9:45 am

    Mathew 18:6 goes over this and comes to mind. I pray the Lord forgives him as he has time to think about this and
    truly repent. About ICOC, True I used to go to that church. It’s truly discouraging hearing this news about him but not everyone in that church is manipulative.

  17. Get help on July 2, 2021 at 11:08 pm

    It costs $0.00 to leave minors alone.

  18. Name (((required))) on July 8, 2021 at 7:14 am

    i am jewish

  19. JDA HATER on July 9, 2021 at 3:42 pm

    mrs bay how do you like JDA now?

  20. Twink on August 10, 2021 at 12:57 am

    As Nicki Minaj once said, “Yikes.”

  21. Dave on August 4, 2022 at 11:51 am

    I looked his name up on the dps sex offender registry, and it looks like his dad is already there.
    This guy is Junior right?
    Same name + Jr.

  22. Name on November 4, 2022 at 9:58 pm

    He only served 2 weeks 🤮

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