Haverhill Cooperative Middle School

proficient (Levels 3 or 4). Official NHED 2025–26 disaggregated regular-denominator release, All students. Direct published combined Level 3/4 percentage; never reconstructed by summing separately rounded achievement categories. Exact unique current CCD school+district pair after whitespace trimming and optional literal School District suffix removal; original names and CCD IDs retained in identity audit. No numeric source IDs in the results CSV. Source <10% and >90% disclosure thresholds remain exclusive at 10/90; * n < 11 remains suppressed. Total FAY Students is a disclosure interval, not an exact tested denominator; no count or numerator is reconstructed from participation/percentages. Published participation retained with its source field label. Same-year, grade, subject and All students state benchmark. CSV does not distinguish NH SAS, SAT or alternate assessment pathways, so the assessment label remains NH state assessments. All-grade rows are publisher aggregates, not calculated from grades.