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Lyndon K-8 School
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2025 Official Accountability Report - Lyndon K-8 School
Organization Information
DISTRICT NAME
Boston (00350000)		TITLE I STATUS
Non-Title I School
SCHOOL
Lyndon K-8 School (00350262)		GRADES SERVED
PK,K,01,02,03,04,05,06,07,08
REGION
Coastal		FEDERAL DESIGNATION
-

Accountability Information

Overall classificationRequiring assistance or intervention
Reason for classification
In need of focused/targeted support
Low student group performance: Black or African American
Progress toward improvement targetsAccountability percentile
61% - Substantial progress toward targets40

Overall progress toward improvement targets

 20242025
Annual criterion-referenced target percentage42%74%
Weight40%60%
Cumulative Criterion-referenced target percentage
(2024 x 40%) + (2025 x 60%)		61%
Substantial progress toward targets

2025 Points awarded

2025 Progress toward improvement targets
Indicator All Students
(Non-high school grades)		 Lowest Performing Students
(Non-high school grades)
Points earned Total possible points Weight % Points earned Total possible points Weight %
AchievementEnglish language arts achievement34-24-
Mathematics achievement44-44-
Science achievement44----
Achievement total111260.06867.5
GrowthEnglish language arts growth24-14-
Mathematics growth34-24-
Growth total5820.03822.5
High school completionFour-year cohort graduation rate------
Extended engagement rate------
Annual dropout rate------
High school completion total------
Progress toward attaining English language proficiencyEnglish language proficiency total3410.0---
Additional indicatorsChronic absenteeism34-04-
Advanced coursework completion------
Additional indicators total3410.00410.0
Weighted total8.29.6-4.77.6-
Percentage of possible points 85%-62%-
2025 Annual criterion-referenced target percentage74%

2024 Points awarded

2024 Progress toward improvement targets
Indicator All Students
(Non-high school grades)		 Lowest Performing Students
(Non-high school grades)
Points earned Total possible points Weight % Points earned Total possible points Weight %
AchievementEnglish language arts achievement04-24-
Mathematics achievement04-44-
Science achievement04----
Achievement total01260.06867.5
GrowthEnglish language arts growth34-24-
Mathematics growth24-24-
Growth total5820.04822.5
High school completionFour-year cohort graduation rate------
Extended engagement rate------
Annual dropout rate------
High school completion total------
Progress toward attaining English language proficiencyEnglish language proficiency total1410.0---
Additional indicatorsChronic absenteeism44-24-
Advanced coursework completion------
Additional indicators total4410.02410.0
Weighted total1.59.6-5.27.6-
Percentage of possible points 16%-68%-
2024 Annual criterion-referenced target percentage42%

Student group percentile

This group's overall performance relative to the performance of the same student group in schools serving similar grades
14

Overall progress toward improvement targets

 20242025
Annual criterion-referenced target percentage19%73%
Weight40%60%
Cumulative Criterion-referenced target percentage
(2024 x 40%) + (2025 x 60%)		51%
Substantial progress toward targets

2025 Points awarded

2025 Progress toward improvement targets
Indicator High Needs Student Group
(Non-high school grades)
Points earned Total possible points Weight %
AchievementEnglish language arts achievement24-
Mathematics achievement44-
Science achievement34-
Achievement total91267.5
GrowthEnglish language arts growth24-
Mathematics growth34-
Growth total5822.5
High school completionFour-year cohort graduation rate---
Extended engagement rate---
Annual dropout rate---
High school completion total---
Progress toward attaining English language proficiencyEnglish language proficiency total---
Additional indicatorsChronic absenteeism34-
Advanced coursework completion---
Additional indicators total3410.0
Weighted total7.510.3-
Percentage of possible points 73%-
2025 Annual criterion-referenced target percentage73%

2024 Points awarded

2024 Progress toward improvement targets
Indicator High Needs Student Group
(Non-high school grades)
Points earned Total possible points Weight %
AchievementEnglish language arts achievement04-
Mathematics achievement04-
Science achievement14-
Achievement total11267.5
GrowthEnglish language arts growth24-
Mathematics growth24-
Growth total4822.5
High school completionFour-year cohort graduation rate---
Extended engagement rate---
Annual dropout rate---
High school completion total---
Progress toward attaining English language proficiencyEnglish language proficiency total---
Additional indicatorsChronic absenteeism44-
Advanced coursework completion---
Additional indicators total4410.0
Weighted total2.010.3-
Percentage of possible points 19%-
2024 Annual criterion-referenced target percentage19%

Detailed data for each indicator

English language arts achievement - MCAS average composite scaled score - Non-high school
Group 2024 Achievement 2025 Achievement Change 2025 Target N Points Reason
All Students 492.2 494.6 2.4 495.0 2563Recovery Path: Met Target
Lowest Performing 454.6 455.7 1.1 459.7 462Path Forward: Improved Below Target
High Needs 478.5 479.3 0.8 481.4 1352Recovery Path: Improved Below Target
English Learners and Former English Learners 472.6 477.1 4.5 476.4 514Recovery Path: Exceeded Target
Low Income 478.1 477.1 -1.0 480.6 950Recovery Path: Declined
Students with Disabilities 464.9 464.4 -0.5 467.6 761Recovery Path: No Change
American Indian or Alaska Native---- 1--
Asian---- 15--
Black or African American 478.5 472.2 -6.3 481.8 330Path Forward: Declined
Hispanic or Latino 482.4 484.7 2.3 486.3 672Recovery Path: Improved Below Target
Multi-Race, Not Hispanic or Latino---- 13--
Native Hawaiian or Other Pacific Islander-------
White 500.4 503.7 3.3 503.4 1273Recovery Path: Met Target

Mathematics achievement - MCAS average composite scaled score - Non-high school
Group 2024 Achievement 2025 Achievement Change 2025 Target N Points Reason
All Students 487.8 492.9 5.1 490.2 2604Recovery Path: Exceeded Target
Lowest Performing 453.3 458.1 4.8 457.2 464Recovery Path: Exceeded Target
High Needs 473.6 477.8 4.2 476.9 1394Recovery Path: Exceeded Target
English Learners and Former English Learners 470.3 480.6 10.3 474.7 524Recovery Path: Exceeded Target
Low Income 471.8 475.2 3.4 474.3 984Recovery Path: Exceeded Target
Students with Disabilities 463.5 464.6 1.1 467.0 792Recovery Path: Improved Below Target
American Indian or Alaska Native---- 1--
Asian---- 15--
Black or African American 470.2 470.1 -0.1 473.4 351Recovery Path: No Change
Hispanic or Latino 476.9 481.0 4.1 480.4 684Recovery Path: Exceeded Target
Multi-Race, Not Hispanic or Latino---- 13--
Native Hawaiian or Other Pacific Islander-------
White 496.6 502.8 6.2 499.1 1284Recovery Path: Exceeded Target

Science achievement - MCAS average composite scaled score - Non-high school
Group 2024 Achievement 2025 Achievement Change 2025 Target N Points Reason
All Students 482.7 490.3 7.6 484.7 884Recovery Path: Exceeded Target
Lowest Performing---- 19--
High Needs 472.3 476.3 4.0 476.1 493Path Forward: Met Target
English Learners and Former English Learners---- 15--
Low Income 473.1 474.1 1.0 477.1 362Path Forward: Improved Below Target
Students with Disabilities 458.5 467.9 9.4 462.3 294Path Forward: Exceeded Target
American Indian or Alaska Native-------
Asian---- 5--
Black or African American---- 18--
Hispanic or Latino---- 16--
Multi-Race, Not Hispanic or Latino---- 7--
Native Hawaiian or Other Pacific Islander-------
White 493.6 499.4 5.8 497.3 424Path Forward: Exceeded Target

English language arts growth - Non-high school
Group 2025 Mean SGP N Points Reason
All Students 49.4 2052Typical Growth - Low
Lowest Performing 36.9 461Low Growth
High Needs 44.7 1132Typical Growth - Low
English Learners and Former English Learners 43.1 362Typical Growth - Low
Low Income 43.3 832Typical Growth - Low
Students with Disabilities 37.6 651Low Growth
American Indian or Alaska Native- 1--
Asian- 10--
Black or African American 34.9 311Low Growth
Hispanic or Latino 48.7 582Typical Growth - Low
Multi-Race, Not Hispanic or Latino- 9--
Native Hawaiian or Other Pacific Islander----
White 52.2 963Typical Growth - High

Mathematics growth - Non-high school
Group 2025 Mean SGP N Points Reason
All Students 59.0 2083Typical Growth - High
Lowest Performing 46.3 462Typical Growth - Low
High Needs 54.4 1163Typical Growth - High
English Learners and Former English Learners 62.1 364Exceeded Typical Growth
Low Income 54.2 853Typical Growth - High
Students with Disabilities 45.1 672Typical Growth - Low
American Indian or Alaska Native- 1--
Asian- 10--
Black or African American 44.3 332Typical Growth - Low
Hispanic or Latino 56.8 583Typical Growth - High
Multi-Race, Not Hispanic or Latino- 9--
Native Hawaiian or Other Pacific Islander----
White 63.3 974Exceeded Typical Growth

Progress toward attaining English language proficiency - Non-high school
Group 2024 Rate (%) 2025 Rate (%) Change Target N Points Reason
All Students 34.2 41.3 7.1 39.6 463Met Target
Lowest Performing-------
High Needs-------
English Learners and Former English Learners 34.2 41.3 7.1 39.6 463Met Target
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 2024 Rate (%) 2025 Rate (%) Change Target N Points Reason
All Students 14.4 13.1 -1.3 12.9 4063Met Target
Lowest Performing 27.1 37.0 9.9 22.5 460Declined
High Needs 23.9 21.7 -2.2 21.5 1983Met Target
English Learners and Former English Learners 14.5 16.9 2.4 11.0 830Declined
Low Income 26.5 29.2 2.7 23.3 1370Declined
Students with Disabilities 29.2 25.5 -3.7 25.6 983Met Target
American Indian or Alaska Native---- 1--
Asian---- 21--
Black or African American 24.5 36.2 11.7 20.9 470Declined
Hispanic or Latino 23.7 19.2 -4.5 19.5 993Met Target
Multi-Race, Not Hispanic or Latino---- 22--
Native Hawaiian or Other Pacific Islander-------
White 9.2 5.6 -3.6 7.4 2164Exceeded Target

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 276 27198Yes 1 276 275100Yes 1 95 9398Yes 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 153 148 153 152 55 53 361 35398Yes1
English Learners and Former English Learners 61 59 61 60 20 19 142 13897Yes1
Low Income 111 107 111 110 42 40 264 25797Yes1
Students with Disabilities 84 81 84 84 32 31 200 19698Yes1
American Indian or Alaska Native 1 1 1 1 0 0 2----
Asian 15 15 15 15 5 5 35----
Black or African American 44 41 44 43 20 18 108 10297Yes2
Hispanic or Latino 74 73 74 74 21 21 169 16899Yes1
Multi-Race, Not Hispanic or Latino 13 13 13 13 7 7 33----
Native Hawaiian or Other Pacific Islander-----------
White 129 128 129 129 42 42 300 299100Yes1


About this report

Overall classification: All Massachusetts districts and schools with sufficient data are classified into one of two accountability categories: districts and schools requiring assistance or intervention, and districts and schools not requiring assistance or intervention. The reason(s) for the district's or school's classification are noted on this report.

Progress toward improvement targets: The criterion-referenced target percentage combines multiple years of data related to achievement, growth, high school completion, English learner progress, advanced coursework completion, and chronic absenteeism into a single number between 0 and 100. For a group to be considered to be meeting targets it must have a cumulative criterion-referenced target percentage of 75% or higher.

The annual criterion-referenced target percentage is calculated by dividing the weighted total points earned by the weighted total possible points. The calculation for each is displayed below.

Weighted total of points earned = (Total achievement points earned x Achievement weight) + (Total growth points earned x Growth weight) + (Total high school completion points earned x high school completion weight) + (EL progress points earned x EL progress weight) + (Total additional indicator points earned x Additional indicator weight)

The cumulative criterion-referenced target percentage represents a weighted average of the annual criterion-referenced target percentages. At a minimum, a group must have an annual criterion-referenced target percentage for the most recent year in order to receive a cumulative percentage.

Accountability percentile: An accountability percentile between 1 and 99 is reported for most schools. This number is an indication of the school's overall performance relative to other schools that serve similar grades, and is calculated using multiple years of data for all accountability indicators. School percentiles are not calculated for districts.


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