No-Zero Grading Policy¶

Strategy · All strategies
Evidence · 2 claims (2 for) · 5 studies (2 causal, 2 quant-synthesis, 1 review), q2–q3 · 2 of 5 report an effect size

Description¶

A no-zero grading policy sets the floor of any grade scale at 50 percent (or equivalent), so that a missing or failed assignment cannot produce a score below half credit. The rationale is mathematical and motivational: on a 100-point scale where 50–59 is failing, a zero is not proportionate to other intervals — it makes recovery from a single missing task statistically improbable and can push struggling students to disengage entirely.

Design Implications¶

Grades are intended to communicate achievement, but zeros typically communicate behavior (non-compliance) rather than learning, distorting the meaning of the grade [~M]. Because grades function as feedback that shapes motivation, policies that make failure unrecoverable tend to reduce persistence, while policies that preserve a path to success support it Grades and feedback that support improvement improve achievement. [+M]. A grade floor works best when paired with mandatory re-do or make-up opportunities — a floor alone, without a route back to proficiency, simply inflates failure rather than preventing it.

Context¶

Requirements¶

• A clear, published policy distinguishing academic achievement grades from behavior/work-habit grades, reported separately
• Mandatory re-do, revision, or make-up procedures so the 50 is a starting point, not a final grade
• Alternative accountability for non-submission (e.g., required completion sessions, Check-Ins, administrator or counselor involvement) so the floor does not become a way to avoid work
• Alignment with the school's report card and transcript systems

Constraints¶

• Without re-do requirements, the floor can reward non-participation and inflate grades without learning [-M]
• Perceived as undermining accountability; teacher and parent resistance is common and can defeat implementation [~M]
• Does not address the underlying causes of non-submission (skill gaps, home instability, executive function) — those need Accommodations and support, not just a grading change
• Averaging across time still distorts achievement; a floor is a partial fix for standards-based problems [~M]

Implementation Variability¶

• Grade floor only: simplest to adopt; weakest evidence of learning benefit
• Floor + mandatory revision: the floor triggers intervention rather than replacing it
• Standards-based grading: replaces the 100-point scale entirely with proficiency levels, making the zero problem moot; more disruptive but more coherent
• Late-work penalties retained: some schools floor the score but still deduct for lateness, preserving a behavioral signal

Target Learners¶

• Struggling students and students with attendance or life disruptions, for whom a single zero can make course recovery mathematically impossible [~M]
• Students at risk of disengagement, where early failure experiences compound into withdrawal; belonging-supportive grading practices improve outcomes for at-risk students Belonging interventions improve outcomes for at-risk students. [+M]
• Less relevant for high-achieving students, whose grades are rarely affected by the floor

Target Learning Goals¶

• Accurate communication of academic achievement, separate from compliance
• Persistence and re-engagement after failure
• Equity in grading: reducing the disproportionate impact of zeros on students with fewer out-of-school resources

Instructions¶

1. Audit current grading practices: identify where zeros arise (missing work, late work, cheating, low-effort attempts) and what each currently communicates.
2. Separate academic achievement from work habits in reporting, so behavior can still be documented without contaminating the achievement grade.
3. Set the grade floor (e.g., 50%) and pair it with a mandatory re-do or completion pathway — the floor triggers Assessment of what the student still needs, not exemption from it.
4. Build feedback and revision into the workflow so the revised grade reflects new evidence of learning Assess Performance.
5. Communicate the policy to students and families, including the accountability measures that accompany it.

Related Strategies¶

• Standards-based grading — the more systemic alternative that eliminates the zero problem by design
• Re-do and revision policies — the accountability mechanism that makes a grade floor defensible
• Mastery learning — grades reflect final proficiency rather than averaged attempts

Related Elements¶

• Assessment — the practice the policy is meant to make more accurate
• Accommodations — addresses the underlying causes of non-submission for individual students
• Check-In — early intervention when work stops coming in, before the floor is invoked

Patterns That Use This Strategy¶

• Competency-Based Learning — grades track proficiency, not compliance; the no-zero floor is a partial step toward this
• Formative Assessment — grades as feedback for improvement rather than final judgment

Examples¶

• Douglas County School District (Colorado) and numerous individual U.S. districts adopted 50% floors in the 2010s, typically alongside required re-do provisions.
• Joe Feldman's Grading for Equity (2019) framework, implemented in schools across California, combines a 50% floor with separate behavior reporting and revised late-work policies.
• A common classroom version: missing work is entered as 50% "incomplete" and must be completed within a set window (e.g., two weeks or before the next grading period) to restore full credit.

Key Sources¶

• Guskey, T. R. (2004). Zero alternatives. Phi Delta Kappan, 86(4), 324–329.
• Reeves, D. B. (2008). Effective grading practices. Educational Leadership, 65(5), 85–87.
• Feldman, J. (2019). Grading for equity: What it is, why it matters, and how it can transform schools and classrooms. Corwin.
• Brookhart, S. M. (2013). How to create and use rubrics for formative assessment and grading. ASCD.
• Guskey, T. R., & Bailey, J. M. (2001). Developing grading and reporting systems for student learning. Corwin.