The Influence of Maryland Green School Certification on Student Achievement Research Study
This research study examines the impact of Maryland Green School Certification on student achievement by analyzing standardized test scores pre and post certification. Research questions focus on correlations between certification and student achievement in various subjects, along with demographic variables. Data collection involved K-12 Maryland schools with certification between 2004-2007, while analysis utilized SPSS v19 for correlation and significance tests. Findings aim to determine if the certification leads to increased student achievement, particularly in grades 5 and 8 reading and math, high school math, ELA, and biology.
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The Influence of Maryland Green School Certification on Student Achievement Sarah Haines, Amy Trauth-Nare, Katie Dell and Cindy Ghent STEM Education Center April 2015
Background Some studies have shown positive impact of EE on student achievement: Lieberman & Hoody (1998) students in 40 U.S. schools increased performance on standardized tests Bartosh et al. (2007) MS students in EE school scored higher in at least one subject than those in non-EE schools Other studies have been inconclusive: Clavijo (2002) 5thand 6thgrade participation in EE did not correlate w/ increased science achievement Duffin et al. (2007) inconsistent patterns in correlations b/t student EE participation and achievement in ELA and math
Purpose To determine what correlations, if any, existed between MD Green School certification, standardized test scores and other variables that potentially impact student achievement Compared student achievement 3 years prior to AND 3 years immediately following certification in the same schools
Research Questions Does MD Green School certification correlate with increased student achievement in... Grades 5 and 8 reading and math? High school math, ELA and biology? At MD Green Schools, which demographic variables most strongly correlate with student achievement?
Data Collection Participants: all K-12 MD schools with Green School certification in 2004-2007 Data collection from MSDE and school websites, e- mail correspondence with principals student demographics and attendance rates MSA and HSA scores Size of school population Average student-teacher ratio Rates of teacher certification PTA presence and size Presence of extracurricular environmental clubs
Data Analysis Using SPSS v19, Test of assumptions of equal variance and normality Bivariate correlation analyses and paired t-tests to determine significance of MDGS certification and test scores Ordination analyses to determine correlations among demographic variables and test scores
Findings Research Question #1: Does MD Green School certification correlate with increased student achievement in grades 5 and 8 reading and math? High school math, ELA and biology?
Elementary MSA performance pre- and post-certification 100.0 90.0 80.0 Mean % of Students Proficient 70.0 60.0 50.0 40.0 30.0 20.0 10.0 0.0 pre math post math pre read post read MSA Subject Area
Middle Level MSA performance pre- and post- certification 100.0 90.0 Mean % of Students Proficient 80.0 70.0 60.0 50.0 40.0 30.0 20.0 10.0 0.0 pre math post math pre read post read MSA Subject Area
Comparison of HSA performance pre- and post certification 80.0 70.0 Mean % Students Proficient 60.0 50.0 40.0 30.0 20.0 10.0 0.0 pre Alg post Alg pre Bio HSA Subject Area post Bio pre ELA post ELA
Comparison of elementary MSA math performance pre- and post certification 120.0 100.0 Mean % of Student Proficient 80.0 pre math 60.0 post math 40.0 20.0 0.0 E-3 E-14 E-17 E-18 E-34 E-36
Comparison of elementary MSA reading performance pre- and post-certification 100.0 Mean % of Students Proficient 80.0 60.0 pre read post read 40.0 20.0 0.0 E-3 E-14 E-17 E-18 E-34 E-36
Comparison of Middle level MSA reading scores pre- and post-certification 100.0 90.0 80.0 Mean % Student Proficient 70.0 60.0 pre read 50.0 post read 40.0 30.0 20.0 10.0 0.0 MS-1 MS-2 MS-3 MS-4 MS-5 MS-6 MS-7
Comparison of Middle level MSA math scores pre- and post- certification 120.0 100.0 Mean % Student Proficient 80.0 pre math 60.0 post math 40.0 20.0 0.0 MS-1 MS-2 MS-3 MS-4 MS-5 MS-6 MS-7
Comparison of MSA Algebra performance pre- and post- certification 120 100 Mean % of Students Proficient 80 pre 60 post 40 20 0 HS-1 HS-2 HS-3 HS-4 HS-5 HS-6 HS-7 HS-8 HS-9
Comparison of MSA Biology performance pre- and post- certification 120 100 Mean % Students Proficient 80 pre 60 post 40 20 0 HS-1 HS-2 HS-3 HS-4 HS-5 HS-6 HS-7 HS-8 HS-9
Comparison of MSA ELA performance pre-and post-certification 120 100 Mean % Student Proficient 80 pre 60 post 40 20 0 HS-1 HS-2 HS-3 HS-4 HS-5 HS-6 HS-7 HS-8 HS-9
Mean % of Students Proficient Pre Post t(df ) p 5thand 8thgrade reading 82 87.8 9.50 (49) 0.00 5thand 8thgrade math 79.4 85 7.61 (49) 0.00 10thgrade algebra 47.5 60.3 2.92 (8) 0.02 10thgrade English 56.4 64.5 3.95 (8) 0.004 10thgrade biology 57.6 65.5 1.84 (8) 0.10
Findings Research Question #2: At MD Green Schools, which demographic variables most strongly correlate with student achievement?
For pre-green schools, student teacher ratio (r~0.7) For post-green schools, the correlation was lower (r 0.5)
Purpose To determine what correlations, if any, existed between MD Green School certification, standardized test scores and other variables that potentially impact student achievement Compared student achievement 3 years prior to AND 3 years immediately following certification in the same schools
Research Questions Does MD Green School certification correlate with increased student achievement in... Grades 5 and 8 reading and math? High school math, ELA and biology? At MD Green Schools, which demographic variables most strongly correlate with student achievement?
Data Collection Participants: all K-12 MD schools with Green School certification in 2004-2007 Data collection from MSDE and school websites, e- mail correspondence with principals student demographics and attendance rates MSA and HSA scores Size of school population Average student-teacher ratio Rates of teacher certification PTA presence and size Presence of extracurricular environmental clubs
For post-green schools, PTA presence correlates with the increased scores in algebra and biology. (r=0.8, r=0.6) This wasn t present for the pre-green condition (r<0) Does the Green School program impact PTA numbers? Or the other way around?
Schools with higher percentage of minority students have high negative correlations with scores for all tests (r ~ -0.5 to -0.8) Schools with lower percentage of minority students have high positive correlations with scores for all tests (r ~ 0.5 0.8) BUT since this also correlates with certification levels it may be difficult to ascertain causative agents
There is a negative correlation for the test scores for schools with higher numbers of non-certified teachers. This is very strong for the non-green school biology HSA scores
Summary Students improved their performance on standardized tests after their school received MD Green School certification Increased in achievement across all academic areas measured by MSA and HSA Increases were statistically significant in all areas except Biology HSA Lower student-teacher ratio, PTA presence, and greater % certified teachers also correlated with higher student achievement
Conclusions Findings support prior research indicating enhanced student achievement in EE settings Established positive relationship between MD Green School certification and student achievement additional factors or variables confound our ability to infer causation Most effective approach to EE is a systemic-multi-year program with cross-disciplinary integration (Ernst & Monroe, 2004)
Recommendations Greater emphasis of environmental standards in Biology HSA would provide more valid measures of student EE knowledge and skills. State-level recognition of environmental education PRAXIS and certification in Maryland School-level case study of EE integration in K-12 curriculum to understand how classroom context influence student engagement and achievement
Acknowledgements Drs. Susan Gresens and Vanessa Beauchamp, Department of Biological Sciences for providing statistical expertise All K-12 MD Green Schools who voluntarily assisted with data compilation Tom Marcinkowski, Kate Clavijo, and Ramona Stone for reviewing and commenting on previous versions of the research manuscript
