Massachusetts School and District Profiles

Pioneer Charter School of Science II

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2026 Official Accountability Report - Pioneer Charter School of Science II

Overall progress toward improvement targets

20252026
Annual criterion-referenced target percentage87%83%
Weight40%60%
Cumulative Criterion-referenced target percentage
(2025 x 40%) + (2026 x 60%)
85%
Meeting or exceeding targets

2026 Points awarded

2026 Progress toward improvement targets
Indicator All Students
(Non-high school grades)
Lowest Performing Students
(Non-high school grades)
All Students
(High school grades)
Lowest Performing Students
(High school grades)
Points earned Total possible points Weight % Points earned Total possible points Weight % Points earned Total possible points Weight % Points earned Total possible points Weight %
AchievementEnglish language arts achievement34-24-44-34-
Mathematics achievement44-44-44-34-
Science achievement44----44-34-
Achievement total111260.06867.5121247.591267.5
GrowthEnglish language arts growth34-34-44-44-
Mathematics growth44-44-44-44-
Growth total7820.07822.58822.58822.5
High school completionFour-year cohort graduation rate------04----
Extended engagement rate------44----
Annual dropout rate------34----
High school completion total------71220.0---
Progress toward attaining English language proficiencyEnglish language proficiency total1410.0---------
Additional indicatorsChronic absenteeism44-44-04-34-
Advanced coursework completion------34----
Additional indicators total4410.04410.03810.03410.0
Weighted total8.59.6-6.07.6-9.210.7-8.210.3-
Percentage of possible points89%-79%-86%-80%-
Percentage of possible points by gradespan84%
Weight of non-high school results:63%
83%
Weight of high school results:37%
2026 Annual criterion-referenced target percentage83%

2025 Points awarded

2025 Progress toward improvement targets
Indicator All Students
(Non-high school grades)
Lowest Performing Students
(Non-high school grades)
All Students
(High school grades)
Lowest Performing Students
(High school grades)
Points earned Total possible points Weight % Points earned Total possible points Weight % Points earned Total possible points Weight % Points earned Total possible points Weight %
AchievementEnglish language arts achievement44-34-44----
Mathematics achievement44-44-44----
Science achievement04----44----
Achievement total81260.07867.5121247.5---
GrowthEnglish language arts growth44-34-44----
Mathematics growth44-44-44----
Growth total8820.07822.58822.5---
High school completionFour-year cohort graduation rate------44----
Extended engagement rate------44----
Annual dropout rate------44----
High school completion total------121220.0---
Progress toward attaining English language proficiencyEnglish language proficiency total0410.0---------
Additional indicatorsChronic absenteeism34-44-44----
Advanced coursework completion------44----
Additional indicators total3410.04410.08810.0---
Weighted total6.79.6-6.77.6-10.710.7----
Percentage of possible points70%-88%-100%---
Percentage of possible points by gradespan79%
Weight of non-high school results:61%
100%
Weight of high school results:39%
2025 Annual criterion-referenced target percentage87%

Student group percentile


Overall progress toward improvement targets

20252026
Annual criterion-referenced target percentage74%90%
Weight40%60%
Cumulative Criterion-referenced target percentage
(2025 x 40%) + (2026 x 60%)
83%
Meeting or exceeding targets

2026 Points awarded

2026 Progress toward improvement targets
Indicator High Needs Student Group
(Non-high school grades)
High Needs Student Group
(High school grades)
Points earned Total possible points Weight % Points earned Total possible points Weight %
AchievementEnglish language arts achievement34-44-
Mathematics achievement44-44-
Science achievement44-44-
Achievement total111267.5121247.5
GrowthEnglish language arts growth34-44-
Mathematics growth44-44-
Growth total7822.58822.5
High school completionFour-year cohort graduation rate---04-
Extended engagement rate---44-
Annual dropout rate---44-
High school completion total---81220.0
Progress toward attaining English language proficiencyEnglish language proficiency total------
Additional indicatorsChronic absenteeism44-04-
Advanced coursework completion---34-
Additional indicators total4410.03810.0
Weighted total9.410.3-9.410.7-
Percentage of possible points91%-88%-
Percentage of possible points by gradespan91%
Weight of non-high school results:63%
88%
Weight of high school results:37%
2026 Annual criterion-referenced target percentage90%

2025 Points awarded

2025 Progress toward improvement targets
Indicator High Needs Student Group
(Non-high school grades)
High Needs Student Group
(High school grades)
Points earned Total possible points Weight % Points earned Total possible points Weight %
AchievementEnglish language arts achievement44-34-
Mathematics achievement34-44-
Science achievement04-34-
Achievement total71267.5101247.5
GrowthEnglish language arts growth44-44-
Mathematics growth44-44-
Growth total8822.58822.5
High school completionFour-year cohort graduation rate---44-
Extended engagement rate---44-
Annual dropout rate---44-
High school completion total---121220.0
Progress toward attaining English language proficiencyEnglish language proficiency total------
Additional indicatorsChronic absenteeism24-04-
Advanced coursework completion---34-
Additional indicators total2410.03810.0
Weighted total6.710.3-9.310.7-
Percentage of possible points65%-87%-
Percentage of possible points by gradespan65%
Weight of non-high school results:61%
87%
Weight of high school results:39%
2025 Annual criterion-referenced target percentage74%

Detailed data for each indicator

English language arts achievement - MCAS average composite scaled score - Non-high school
Group 2025 Achievement 2026 Achievement Change 2026 Target N Points Reason
All Students 505.7 504.4 -1.3 508.4 2943Recovery Path: Met Target
Lowest Performing 480.6 481.6 1.0 484.8 382Recovery Path: Improved Below Target
High Needs 501.0 500.3 -0.7 502.5 2193Recovery Path: Met Target
English Learners and Former English Learners 498.0 497.3 -0.7 501.5 1293Recovery Path: Met Target
Low Income 500.1 500.8 0.7 502.2 1513Path Forward: Met Target
Students with Disabilities 485.1 484.8 -0.3 487.5 391Path Forward: No Change
American Indian or Alaska Native---- 3--
Asian 511.2 511.8 0.6 513.3 464Path Forward: Exceeded Target
Black or African American 505.0 504.4 -0.6 507.2 873Path Forward: Met Target
Hispanic or Latino 498.0 496.5 -1.5 500.6 783Path Forward: Met Target
Multi-Race, Not Hispanic or Latino---- 9--
Native Hawaiian or Other Pacific Islander-------
White 510.4 508.7 -1.7 511.9 714Path Forward: Exceeded Target

English language arts achievement - MCAS average composite scaled score - High school
Group 2025 Achievement 2026 Achievement Change 2026 Target N Points Reason
All Students 518.8 519.8 1.0 519.8 614Path Forward: Exceeded Target
Lowest Performing 506.9 504.0 -2.9 510.5 203Path Forward: Met Target
High Needs 515.1 515.7 0.6 517.0 384Path Forward: Exceeded Target
English Learners and Former English Learners---- 21--
Low Income---- 28--
Students with Disabilities---- 6--
American Indian or Alaska Native-------
Asian---- 16--
Black or African American---- 12--
Hispanic or Latino---- 15--
Multi-Race, Not Hispanic or Latino-------
Native Hawaiian or Other Pacific Islander-------
White---- 18--

Mathematics achievement - MCAS average composite scaled score - Non-high school
Group 2025 Achievement 2026 Achievement Change 2026 Target N Points Reason
All Students 512.1 515.4 3.3 514.7 2934Recovery Path: Exceeded Target
Lowest Performing 482.1 495.7 13.6 485.7 384Recovery Path: Exceeded Target
High Needs 507.6 512.4 4.8 510.1 2174Path Forward: Exceeded Target
English Learners and Former English Learners 506.5 511.3 4.8 509.9 1284Recovery Path: Exceeded Target
Low Income 506.4 513.0 6.6 508.4 1514Recovery Path: Exceeded Target
Students with Disabilities 488.1 492.8 4.7 491.3 384Path Forward: Exceeded Target
American Indian or Alaska Native---- 3--
Asian 521.5 522.8 1.3 524.5 454Path Forward: Exceeded Target
Black or African American 509.3 514.8 5.5 512.3 884Path Forward: Exceeded Target
Hispanic or Latino 502.7 507.1 4.4 505.6 774Path Forward: Exceeded Target
Multi-Race, Not Hispanic or Latino---- 9--
Native Hawaiian or Other Pacific Islander-------
White 518.8 518.7 -0.1 520.5 714Path Forward: Exceeded Target

Mathematics achievement - MCAS average composite scaled score - High school
Group 2025 Achievement 2026 Achievement Change 2026 Target N Points Reason
All Students 531.1 528.3 -2.8 532.2 614Path Forward: Exceeded Target
Lowest Performing 513.7 511.7 -2.0 517.0 203Path Forward: Met Target
High Needs 521.3 525.9 4.6 524.0 384Path Forward: Exceeded Target
English Learners and Former English Learners---- 21--
Low Income---- 28--
Students with Disabilities---- 6--
American Indian or Alaska Native-------
Asian---- 16--
Black or African American---- 12--
Hispanic or Latino---- 15--
Multi-Race, Not Hispanic or Latino-------
Native Hawaiian or Other Pacific Islander-------
White---- 18--

Science achievement - MCAS average composite scaled score - Non-high school
Group 2025 Achievement 2026 Achievement Change 2026 Target N Points Reason
All Students 500.8 508.2 7.4 502.6 1224Recovery Path: Exceeded Target
Lowest Performing---- 24--
High Needs 496.8 504.3 7.5 500.3 884Path Forward: Exceeded Target
English Learners and Former English Learners 494.9 503.4 8.5 499.1 484Path Forward: Exceeded Target
Low Income 496.2 504.6 8.4 500.6 634Path Forward: Exceeded Target
Students with Disabilities---- 11--
American Indian or Alaska Native---- 2--
Asian---- 21--
Black or African American 498.1 502.5 4.4 502.1 383Path Forward: Met Target
Hispanic or Latino---- 29--
Multi-Race, Not Hispanic or Latino---- 5--
Native Hawaiian or Other Pacific Islander-------
White---- 27--

Science achievement - MCAS average composite scaled score - High school
Group 2025 Achievement 2026 Achievement Change 2026 Target N Points Reason
All Students 516.9 513.9 -3.0 519.9 614Recovery Path: Exceeded Target
Lowest Performing 499.2 497.2 -2.0 501.8 203Path Forward: Met Target
High Needs 505.5 510.3 4.8 507.5 384Recovery Path: Exceeded Target
English Learners and Former English Learners---- 21--
Low Income---- 28--
Students with Disabilities---- 6--
American Indian or Alaska Native-------
Asian---- 16--
Black or African American---- 12--
Hispanic or Latino---- 15--
Multi-Race, Not Hispanic or Latino-------
Native Hawaiian or Other Pacific Islander-------
White---- 18--

English language arts growth - Non-high school
Group 2026 Mean SGP N Points Reason
All Students 58.7 2283Typical Growth - High
Lowest Performing 54.2 373Typical Growth - High
High Needs 57.3 1673Typical Growth - High
English Learners and Former English Learners 58.9 983Typical Growth - High
Low Income 56.8 1143Typical Growth - High
Students with Disabilities 50.8 273Typical Growth - High
American Indian or Alaska Native- 3--
Asian 62.4 384Exceeded Typical Growth
Black or African American 50.2 673Typical Growth - High
Hispanic or Latino 60.6 594Exceeded Typical Growth
Multi-Race, Not Hispanic or Latino- 7--
Native Hawaiian or Other Pacific Islander----
White 64.5 544Exceeded Typical Growth

English language arts growth - High school
Group 2026 Mean SGP N Points Reason
All Students 73.7 604Exceeded Typical Growth
Lowest Performing 77.2 204Exceeded Typical Growth
High Needs 75.4 374Exceeded Typical Growth
English Learners and Former English Learners- 20--
Low Income- 27--
Students with Disabilities- 6--
American Indian or Alaska Native----
Asian- 16--
Black or African American- 12--
Hispanic or Latino- 14--
Multi-Race, Not Hispanic or Latino----
Native Hawaiian or Other Pacific Islander----
White- 18--

Mathematics growth - Non-high school
Group 2026 Mean SGP N Points Reason
All Students 76.1 2274Exceeded Typical Growth
Lowest Performing 77.6 374Exceeded Typical Growth
High Needs 77.8 1654Exceeded Typical Growth
English Learners and Former English Learners 79.9 974Exceeded Typical Growth
Low Income 77.1 1144Exceeded Typical Growth
Students with Disabilities 68.2 264Exceeded Typical Growth
American Indian or Alaska Native- 3--
Asian 75.8 374Exceeded Typical Growth
Black or African American 74.9 684Exceeded Typical Growth
Hispanic or Latino 77.3 584Exceeded Typical Growth
Multi-Race, Not Hispanic or Latino- 7--
Native Hawaiian or Other Pacific Islander----
White 74.7 544Exceeded Typical Growth

Mathematics growth - High school
Group 2026 Mean SGP N Points Reason
All Students 75.0 604Exceeded Typical Growth
Lowest Performing 70.4 204Exceeded Typical Growth
High Needs 72.1 374Exceeded Typical Growth
English Learners and Former English Learners- 20--
Low Income- 27--
Students with Disabilities- 6--
American Indian or Alaska Native----
Asian- 16--
Black or African American- 12--
Hispanic or Latino- 14--
Multi-Race, Not Hispanic or Latino----
Native Hawaiian or Other Pacific Islander----
White- 18--

Four-year cohort graduation rate - High school
Group 2024 Rate (%) 2025 Rate (%) Change Target (%) N Points Reason
All Students 97.6 93.2 -4.4 95.0 440Declined
Lowest Performing-------
High Needs 96.3 90.6 -5.7 95.0 320Declined
English Learners and Former English Learners---- 5--
Low Income---- 26--
Students with Disabilities---- 10--
American Indian or Alaska Native-------
Asian---- 3--
Black or African American---- 22--
Hispanic or Latino---- 10--
Multi-Race, Not Hispanic or Latino---- 1--
Native Hawaiian or Other Pacific Islander-------
White---- 8--

Extended engagement rate - High school
Group 2023 Rate (%) 2024 Rate (%) Change Target (%) N Points Reason
All Students 100.0 100.0 0.0 95.0 424Exceeded Target
Lowest Performing-------
High Needs 100.0 100.0 0.0 95.0 274Exceeded Target
English Learners and Former English Learners---- 9--
Low Income---- 20--
Students with Disabilities---- 9--
American Indian or Alaska Native-------
Asian---- 7--
Black or African American---- 12--
Hispanic or Latino---- 11--
Multi-Race, Not Hispanic or Latino---- 1--
Native Hawaiian or Other Pacific Islander-------
White---- 11--

Annual dropout rate - High school
Group 2024 Rate (%) 2025 Rate (%) Change Target (%) N Points Reason
All Students 0.0 0.4 0.4 1.0 2243Met Target
Lowest Performing-------
High Needs 0.0 0.0 0.0 1.0 1054Exceeded Target
English Learners and Former English Learners---- 12--
Low Income---- 70--
Students with Disabilities---- 24--
American Indian or Alaska Native---- 1--
Asian---- 46--
Black or African American---- 71--
Hispanic or Latino---- 44--
Multi-Race, Not Hispanic or Latino---- 8--
Native Hawaiian or Other Pacific Islander-------
White---- 54--

Progress toward attaining English language proficiency - Non-high school
Group 2025 Rate (%) 2026 Rate (%) Change Target N Points Reason
All Students 70.5 68.3 -2.2 75.7 1041No Change
Lowest Performing-------
High Needs-------
English Learners and Former English Learners 70.5 68.3 -2.2 75.7 1041No Change
Low Income-------
Students with Disabilities-------
American Indian or Alaska Native-------
Asian-------
Black or African American-------
Hispanic or Latino-------
Multi-Race, Not Hispanic or Latino-------
Native Hawaiian or Other Pacific Islander-------
White-------

Progress toward attaining English language proficiency - High school
Group 2025 Rate (%) 2026 Rate (%) Change Target N Points Reason
All Students-------
Lowest Performing-------
High Needs-------
English Learners and Former English Learners-------
Low Income-------
Students with Disabilities-------
American Indian or Alaska Native-------
Asian-------
Black or African American-------
Hispanic or Latino-------
Multi-Race, Not Hispanic or Latino-------
Native Hawaiian or Other Pacific Islander-------
White-------

Chronic absenteeism - Non-high school
Group 2025 Rate (%) 2026 Rate (%) Change Target N Points Reason
All Students 9.5 5.5 -4.0 8.4 4004Exceeded Target
Lowest Performing 15.4 0.0 -15.4 12.1 384Exceeded Target
High Needs 11.1 4.6 -6.5 9.0 3034Exceeded Target
English Learners and Former English Learners 11.6 5.0 -6.6 8.6 1814Exceeded Target
Low Income 11.0 3.3 -7.7 6.7 2094Exceeded Target
Students with Disabilities 17.9 7.1 -10.8 15.4 564Exceeded Target
American Indian or Alaska Native---- 3--
Asian 7.1 3.5 -3.6 5.0 574Exceeded Target
Black or African American 2.7 0.8 -1.9 1.0 1184Exceeded Target
Hispanic or Latino 18.3 9.1 -9.2 14.1 1104Exceeded Target
Multi-Race, Not Hispanic or Latino---- 14--
Native Hawaiian or Other Pacific Islander-------
White 8.8 8.2 -0.6 7.6 983Met Target

Chronic absenteeism - High school
Group 2025 Rate (%) 2026 Rate (%) Change Target N Points Reason
All Students 8.4 14.0 5.6 7.3 2350Declined
Lowest Performing 10.0 10.0 0.0 6.0 203Met Target
High Needs 13.0 13.9 0.9 9.9 1220Declined
English Learners and Former English Learners---- 64--
Low Income---- 82--
Students with Disabilities---- 21--
American Indian or Alaska Native---- 1--
Asian---- 54--
Black or African American---- 75--
Hispanic or Latino---- 44--
Multi-Race, Not Hispanic or Latino---- 9--
Native Hawaiian or Other Pacific Islander-------
White---- 52--

Advanced coursework completion - High school
Group 2025 Rate (%) 2026 Rate (%) Change Target N Points Reason
All Students 91.2 93.2 2.0 93.3 1033Met Target
Lowest Performing-------
High Needs 83.3 87.8 4.5 89.3 413Met Target
English Learners and Former English Learners---- 12--
Low Income---- 30--
Students with Disabilities---- 8--
American Indian or Alaska Native---- 1--
Asian---- 23--
Black or African American---- 35--
Hispanic or Latino---- 19--
Multi-Race, Not Hispanic or Latino---- 5--
Native Hawaiian or Other Pacific Islander-------
White---- 20--

Assessment participation - All students
Group English language arts Mathematics Science
Enrolled Assessed % Met Target? Years in Rate Enrolled Assessed % Met Target? Years in Rate Enrolled Assessed % Met Target? Years in Rate
All Students 358 357100Yes 1 356 356100Yes 1 185 185100Yes 1

Assessment participation - Student Group
Group English language arts Mathematics Science Overall
Enrolled Assessed Enrolled Assessed Enrolled Assessed Total Enrolled Total Assessed % Met Target? Years in Rate
High Needs 259 259 257 257 128 128 644 644100Yes1
English Learners and Former English Learners 151 151 150 150 70 70 371 371100Yes1
Low Income 181 181 181 181 93 93 455 455100Yes1
Students with Disabilities 47 47 46 46 19 19 112 112100Yes1
American Indian or Alaska Native 3 3 3 3 2 2 8----
Asian 62 62 61 61 37 37 160 160100Yes1
Black or African American 101 100 101 101 51 51 253 252100Yes1
Hispanic or Latino 94 94 93 93 45 45 232 232100Yes1
Multi-Race, Not Hispanic or Latino 9 9 9 9 5 5 23----
Native Hawaiian or Other Pacific Islander-----------
White 89 89 89 89 45 45 223 223100Yes1




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