Psychometrician (San Mateo, CA)

IXL Learning - San Mateo, California - Full time

IXL Learning, a leading edtech company with products used by 13 million students worldwide, is seeking a psychometrician to oversee the technical quality of IXL's specialized assessments. In this role, you'll collaborate with curriculum designers, research scientists, and product managers to create, maintain, and improve student assessments. Additionally, you'll play a key role in advancing IXL's assessment strategy, as well as conducting and publishing analyses to ensure fair, accurate, and equitable assessment experiences for all learners.


  • Develop and oversee modern, widely used, computer-adaptive tests for K–12 education, including universal screening and diagnostic assessments for math and ELA
  • Conduct classical and IRT analyses of test data, including item calibration, standard-setting, scoring, scaling, equating, score reporting, and quality assurance analyses
  • Perform reliability and validity analyses and collaborate with research scientists to document development processes and create technical reports
  • Collaborate with content experts to create and curate item pools
  • Work with product managers to design students' test-taking experience and user-facing reports
  • Communicate technical psychometric concepts to all stakeholders, including non-technical audiences


  • Ph.D. in Education Measurement, Psychometrics, Quantitative Psychology, Statistics or a related field
  • 3+ years of active experience in new test development, computer-adaptive testing, item pool maintenance, standard-setting, equating, and validity studies
  • Excellent organizational skills, ability to prioritize, and decision-making skills
  • Can-do attitude with an openness to others' ideas
  • Willingness to innovate and find new, efficient solutions to complex problems
  • Excellent communication skills in written and spoken English
  • Ability to summarize complex technical information and communicate it to a variety of audiences
  • Fluency in computer/statistical programming (e.g., R, Python, SQL, etc.)
  • Familiarity with K–12 education is a plus
  • Knowledge of mobile and web technologies is a plus

At IXL, we value diversity in age, race, ethnicity, gender, sexual orientation, physical and mental ability, political and religious beliefs, and life experience, and we are proud to promote a work environment where everyone, from any background, can do their best work. IXL Learning is an Equal Opportunity Employer.


IXL Learning is a leading educational technology company on a big mission: creating innovative learning experiences that help all learners reach their full potential. IXL's comprehensive curriculum and insightful analytics help more than 850,000 teachers deliver personalized instruction, and empower over 13 million students to achieve new learning milestones every day.

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Curriculum Design

Experience Level

Mid Level

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