We use a novel database of over 15,000 teacher candidates from 15 teacher education programs in Washington state to investigate the connections...
Roddy Theobald
Roddy Theobald is a Principal Researcher in CALDER. He received his PhD in Statistics from the University of Washington in 2015, and previously worked as a Research Assistant at the Center for Education Data and Research at the University of Washington and as a 7th-grade math teacher at Westlake Middle School in the Oakland (CA) Unified School District as a Teach For America corps member. His ongoing projects investigate teacher education and licensing in Massachusetts and Washington, postsecondary outcomes for students with disabilities in Washington, teacher quality gaps in North Carolina and Washington, and collective bargaining in California, Michigan, and Washington.
Related Publications
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We use teacher candidate test scores on the Massachusetts Tests for Educator Licensure (MTEL), linked to student and teacher outcomes in the state...
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We use data on the teacher preparation experiences and workforce outcomes of more than 1,300 graduates of special education teacher education...
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Prior research has shown that about 15% of teachers are hired into the same school in which they student taught, about 40% are hired into their...
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We leverage nationally representative data and statewide data from Washington to investigate trends in occupational career and technical education...
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We evaluate the predictive validity of the Massachusetts Candidate Assessment of Performance (CAP), a practice-based assessment of teaching skills...
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In many school districts the policies that regulate personnel are governed by collective bargaining agreements (CBAs) negotiated between teachers...
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We use longitudinal data from North Carolina and Washington to study the extent to which four processes—teacher attrition from each state...
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We use a novel database of the preservice apprenticeships (“student teaching placements”) of teachers in Washington State to investigate the...
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We exploit within-teacher variation in the years that teachers host an apprentice (“student teacher”) in Washington State to estimate the causal...
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We use comprehensive data on student teaching placements from 14 teacher education programs (TEPs) in Washington State to explore the sorting of...
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A burgeoning literature investigates the importance of student teaching placements for teacher candidate development, but an important perspective...
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Student teaching has long been considered the most important component of an effective teacher education program. Recently, new research is...
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We use longitudinal data on high school students in Washington State to assess the relationships between English Language Arts (ELA) teacher value...
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We use statewide data from Massachusetts to investigate teacher performance evaluations as a measure of teaching effectiveness....
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We use statewide data from Massachusetts to investigate teacher performance evaluations as a measure of teaching effectiveness....
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We use comprehensive data on student teaching placements from 14 teacher education programs (TEPs) in Washington State to explore the sorting of...
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We use panel data in Washington State to study the extent to which teacher assignments between fourth and eighth grade explain gaps between...
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Career and Technical Education, Inclusion, and Postsecondary Outcomes for Students With Disabilities
We use longitudinal data on all high school students in Washington State, including postsecondary education and workforce outcomes, to investigate...
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Policy Brief 14
This policy brief reviews evidence about the extent to which disadvantaged students are taught by teachers with lower value-added estimates of...
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There is mounting evidence of substantial “teacher quality gaps” (TQGs) between advantaged and disadvantaged students, but practically no...
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We use longitudinal data from Washington State to provide estimates of the extent to which performance on the edTPA, a performance-based, subject-...
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We investigate the relationship between teacher licensure test scores and student test achievement and high school course-taking. We focus on...
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We find that teachers who student taught in...
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We use data from Washington state to examine two distinct stages of the teacher pipeline: the placement of prospective teachers in student...
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We investigate patterns of teacher mobility in districts with different collective bargaining agreement (CBA) transfer provisions. We use detailed...
In the News
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May 21, 2020NCTQ
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February 18, 2020Eduwonk
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February 3, 2020NTCQ
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January 6, 2020NTCQ
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December 10, 2019Education Week
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November 24, 2018Seattle Times
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June 13, 2017Education Week
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July 11, 2016Education Week
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June 14, 2016Policy Analysis for California Education
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January 28, 2016Washington Monthly
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January 20, 2016Thomas B. Fordham Institute
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January 19, 2016The 74

Area of Expertise
- Special Education
- Teacher Collective Bargaining
- Teacher Education
- Teacher Quality