Dinsmoor v. City of Phoenix

492 P.3d 313, 251 Ariz. 370, 393 Educ. L. Rep. 837 (2021)

From our private database of 46,000+ case briefs, written and edited by humans—never with AI.

Dinsmoor v. City of Phoenix

Arizona Supreme Court
492 P.3d 313, 251 Ariz. 370, 393 Educ. L. Rep. 837 (2021)

  • Written by Tiffany Hester, JD

Facts

High school students Matthew and Ana were dating each other. Matthew told Ana that his ex-girlfriend, Raven, had been disparaging Ana. One day at school, Ana and Raven talked and realized Matthew had been lying and pitting the girls against each other. Ana then immediately yelled at Matthew about his behavior. The next day, while Ana was at school, Matthew sent Ana a text stating that Matthew would “take care” of Raven on Raven’s way home from school. Concerned for Raven’s safety, Ana warned Raven and showed the text to school officials. Ana told officials that she was not worried that Matthew would hurt Ana, but Ana was concerned that Matthew would hurt Raven because he had done so before. The school officials did not speak to Matthew because he was absent that day, but officials created a plan to ensure Raven safely arrived home from school. The following day, Matthew was absent from school again, and Ana told school officials that she planned to meet Matthew at a friend’s house after school. Ana reiterated that Matthew was not a threat to Ana. The school officials advised Ana against meeting Matthew but did not stop her from doing so. After school ended, Ana met Matthew at Ana’s friend’s house, where Matthew killed Ana and himself. Ana’s mother, Diannah Dinsmoor (plaintiff), filed a negligence claim against the school officials, the school district, and the City of Phoenix (collectively, the school) (defendants). The trial court granted summary judgment for the school, finding that the school did not owe a duty to protect Ana. The appeals court reversed, and the Arizona Supreme Court granted review.

Rule of Law

Issue

Holding and Reasoning (Timmer, C.J.)

What to do next…

  1. Unlock this case brief with a free (no-commitment) trial membership of Quimbee.

    You’ll be in good company: Quimbee is one of the most widely used and trusted sites for law students, serving more than 742,000 law students since 2011. Some law schools—such as Yale, Berkeley, and Northwestern—even subscribe directly to Quimbee for all their law students.

    Unlock this case briefRead our student testimonials
  2. Learn more about Quimbee’s unique (and proven) approach to achieving great grades at law school.

    Quimbee is a company hell-bent on one thing: helping you get an “A” in every course you take in law school, so you can graduate at the top of your class and get a high-paying law job. We’re not just a study aid for law students; we’re the study aid for law students.

    Learn about our approachRead more about Quimbee

Here's why 742,000 law students have relied on our case briefs:

  • Written by law professors and practitioners, not other law students. 46,000 briefs, keyed to 986 casebooks. Top-notch customer support.
  • The right amount of information, includes the facts, issues, rule of law, holding and reasoning, and any concurrences and dissents.
  • Access in your classes, works on your mobile and tablet. Massive library of related video lessons and high quality multiple-choice questions.
  • Easy to use, uniform format for every case brief. Written in plain English, not in legalese. Our briefs summarize and simplify; they don’t just repeat the court’s language.

Access this case brief for FREE

With a 7-day free trial membership
Here's why 742,000 law students have relied on our case briefs:
  • Reliable - written by law professors and practitioners, not other law students
  • The right length and amount of information - includes the facts, issue, rule of law, holding and reasoning, and any concurrences and dissents
  • Access in your class - works on your mobile and tablet
  • 46,000 briefs - keyed to 986 casebooks
  • Uniform format for every case brief
  • Written in plain English - not in legalese and not just repeating the court's language
  • Massive library of related video lessons - and practice questions
  • Top-notch customer support

Access this case brief for FREE

With a 7-day free trial membership