Licensure for Substitute Teachers: Iowa
Hiring Policy
Analysis of Iowa's policies
Substitute License(s):
Iowa offers a substitute license. An applicant for a substitute license must pass all Iowa required assessments and complete an Iowa teacher preparation program and hold a current license. Alternatively, an applicant can hold a valid or expired teaching certificate based on a nontraditional or out-of-state teacher preparation program, with three years of teaching experience, and provide evidence of passing scores on tests mandated by the state that issued the certificate.
Length of Assignment: A substitute in Iowa may teach no more than 90 days in the same assignment during one school year. A district administrator may request an extension to the board on "the basis of documented need and benefit to the instructional program."
Evaluation of Long-Term Substitutes: Iowa state policy is unclear regarding whether substitutes with a current Iowa license are subject to evaluation under the state's evaluation requirements.
Recommendations for Iowa
Distinguish requirements for short-term and long-term substitutes.
Iowa should distinguish between requirements for short-term and long-term substitutes so that it can ensure that its requirements are appropriate for the needs of these teachers. The state's long-term substitute requirements should be rigorous (e.g., that all long-term substitutes have current or expired licenses) to help ensure that teachers who are spending extended periods of time with
students are prepared to do so.
Limit the number of consecutive days a short-term substitute can teach in the same classroom.
Iowa should limit the number of consecutive days a short-term substitute can teach in the same classroom without completing additional requirements or obtaining a long-term substitute license. The maximum number of days should be no more than 10 percent of the length of the school year. Iowa's policy of allowing substitute teachers to teach 90 consecutive days in the same classroom may be detrimental to instructional quality and daily productivity.
Require long-term substitute teachers to be evaluated.
Iowa should maintain standards for substitute teacher quality and accountability for all substitutes, but especially for long-term substitutes who are expected to stand in for licensed teachers for extended periods of time. Iowa can help ensure that substitute teachers are held to high standards and have access to the supports necessary to improve their practice by requiring evaluations—which it may find appropriate to modify from its standard, state-required
teacher evaluations—of long-term substitutes.
State response to our analysis
Iowa recognized the factual accuracy of this analysis.
Updated: December 2017
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Research rationale
Research finds that teacher absences negatively affect student achievement and growth.[1] While some of this is attributable to the disruption of regular classroom practices and instruction,[2] it may also be attributable to substitute teacher quality. The gap in instructional quality and daily productivity when a regular teacher is replaced by a substitute teacher is significant.[3] However, absences covered by substitutes licensed by the state are not as detrimental to student achievement as those covered by non-licensed substitutes.[4] Some research hypothesizes that the low-skill level and mobility of substitute teachers may contribute to the reduction in instructional focus and quality and that even when substitute teachers are good instructors, they may be unable to effectively implement a teacher of record's long-term instructional strategies.[5] Parents, teachers, principals, and students have concerns about substitute teachers' quality and qualifications.[6] States should maintain rigorous standards for substitute teacher quality and accountability for all substitutes, but especially for long-term substitutes who are expected to stand in for teachers for long stretches of time.
[1]Miller, R. T., Murnane, R. J., & Willett, J. B. (2008). Do teacher absences impact student achievement? Longitudinal evidence from one urban school district. Educational Evaluation and Policy Analysis, 30(2), 181-200.; Clotfelter, C. T., Ladd, H. F., & Vigdor, J. L. (2009). Are teacher absences worth worrying about in the United States? Education Finance and Policy, 4(2), 115-149.; Joseph, N., Waymack, N., & Zielaski, D. (2014). Roll call: The importance of teacher attendance. National Council on Teacher Quality. Retrieved from https://www.nctq.org/dmsView/RollCall_TeacherAttendance; Zubrzycki, J. (2012). Educators take another look at substitutes. Education Week, 31(36), 1-16.
[2] Rundall, R. A. (1986). Continuity in subbing: Problems and solutions. Clearing House, 59(5), 240.; Turbeville, I. F. (1987). The relationship of selected teacher characteristics on teacher absenteeism in selected school districts of South Carolina (Unpublished Dissertation). University of South Carolina.
[3] Miller, R. T., Murnane, R. J., & Willett, J. B. (2008). Do teacher absences impact student achievement? Longitudinal evidence from one urban school district. Educational Evaluation and Policy Analysis, 30(2), 181-200.; Varlas, L. (2001). Succeeding with substitute teachers. Education Update, 43(7).; Gagne, R. M. (1977). The conditions of learning (3d ed.). New York, NY: Holt Rinehart and Winston.; Capitan, J. H., & et al. (1980). Teacher absenteeism. A study of the Ohio Association of School Personnel Administrators. Seven Hills, OH: American Association of School Personnel Administrators; Herrmann, M. A., & Rockoff, J. E. (2012). Worker absence and productivity: Evidence from teaching. Journal of Labor Economics, 30(4), 749-782.
[4] Note that this study did not define what "licensed" meant in the context of substitutes; see: Clotfelter, C. T., Ladd, H. F., & Vigdor, J. L. (2009). Are teacher absences worth worrying about in the United States? (Working Paper 24). National Center for Analysis of Longitudinal Data in Education Research.
[5] Miller, R. T., Murnane, R. J., & Willett, J. B. (2008). Do teacher absences impact student achievement? Longitudinal evidence from one urban school district. Educational Evaluation and Policy Analysis, 30(2), 181-200.
[6] Abdal-Haqq, I. (1997). Not just a warm body: Changing images of the substitute teacher. ERIC Digest.; Ostapczuk, E. D. (1994). What makes effective secondary education substitute teachers?: Literature review. ERIC Digest.; Weems, L. (2003). Representations of substitute teachers and the paradoxes of professionalism. Journal of Teacher Education, 54(3), 254-265.; Seldner, J. K. (1983). Substitute teaching: Is there a better way? Teacher Education Quarterly, 61-70.