The Effect of Student-Tutor Ratios: Experimental Evidence from a Pilot Online Math Tutoring Program

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Bibliographic Details
Title: The Effect of Student-Tutor Ratios: Experimental Evidence from a Pilot Online Math Tutoring Program
Language: English
Authors: Matthew A. Kraft (ORCID 0000-0002-3889-8413), Virginia S. Lovison
Source: Educational Evaluation and Policy Analysis. 2026 48(3):1236-1244.
Availability: SAGE Publications. 2455 Teller Road, Thousand Oaks, CA 91320. Tel: 800-818-7243; Tel: 805-499-9774; Fax: 800-583-2665; e-mail: journals@sagepub.com; Web site: https://sagepub.com
Peer Reviewed: Y
Page Count: 9
Publication Date: 2026
Document Type: Journal Articles
Reports - Research
Education Level: Junior High Schools
Middle Schools
Secondary Education
Descriptors: Teacher Student Ratio, Tutors, Middle School Students, Mathematics Achievement, Small Group Instruction, Individual Instruction, Electronic Learning, Mathematics Instruction, Achievement Gains
Geographic Terms: North Dakota
DOI: 10.3102/01623737251364573
ISSN: 0162-3737
1935-1062
Abstract: Budget constraints and limited tutor supply have caused many K-12 school districts to pivot from individual tutoring toward small-group tutoring to expand access to personalized instruction. We conduct a pilot experiment to contrast the effects of student-tutor ratios on middle school students' math achievement and growth during an online tutoring program. We leverage a novel feature of the program where tutors often taught individual and small-group tutoring sessions, allowing them to directly compare their experiences across these settings. Both experimental estimates and tutor survey responses provide suggestive evidence that 1:1 tutoring is more effective than 3:1 tutoring in an online setting. Tutoring small groups online presents additional challenges for personalizing instruction, developing relationships, fostering participation, and managing student behavior.
Abstractor: As Provided
Entry Date: 2026
Accession Number: EJ1517051
Database: ERIC
Description
Abstract:Budget constraints and limited tutor supply have caused many K-12 school districts to pivot from individual tutoring toward small-group tutoring to expand access to personalized instruction. We conduct a pilot experiment to contrast the effects of student-tutor ratios on middle school students' math achievement and growth during an online tutoring program. We leverage a novel feature of the program where tutors often taught individual and small-group tutoring sessions, allowing them to directly compare their experiences across these settings. Both experimental estimates and tutor survey responses provide suggestive evidence that 1:1 tutoring is more effective than 3:1 tutoring in an online setting. Tutoring small groups online presents additional challenges for personalizing instruction, developing relationships, fostering participation, and managing student behavior.
ISSN:0162-3737
1935-1062
DOI:10.3102/01623737251364573