William Sidney Mount Elementary School

Public K-6

 50 Dean Ln
       Stony Brook, NY  11790-2799


 (631) 730-4300

 School Website

District: Three Village Central School District

SchoolDigger Rank:
278th of 2,395 New York Elementary Schools


Student/teacher ratio:  15.2
Number of students:  505

Immunizations:

Fully immunized:
97.5%
Measles:
97.9%
more


Racial breakdown:

White:
70.3%
Asian:
15.8%
Hispanic:
7.7%
more

Free/discounted lunch recipients:  8.5%

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Performance Trends
Compare Details In 2018, William Sidney Mount Elementary School ranked better than 88.4% of elementary schools in New York. It also ranked 3rd among 5 ranked elementary schools in the Three Village Central School District. (See more...)
Compare Details In 2018 the calculated Average Standard Score was 84.48. (See more...)
Student Body
Compare Details William Sidney Mount Elementary School has the smallest elementary school student body size in the Three Village Central School District. Racial makeup is: White (70.3%), Asian (15.8%), Hispanic (7.7%). (See more...)
Compare Details 8.5% of students are receiving a free or discounted lunch. (See more...)
Teachers
Compare Details The student/teacher ratio at William Sidney Mount Elementary School is 15.2. 3 elementary schools in the Three Village Central School District have better student/teacher ratios. (See more...)
Compare William Sidney Mount Elementary School employs 33 full-time teachers.
Map and boundary of William Sidney Mount Elementary School
Schooldigger 2018 Rankings:

William Sidney Mount Elementary School:

SchoolDigger ranks William Sidney Mount Elementary School 278th of 2395 New York public elementary schools. (See William Sidney Mount Elementary School in the ranking list.)

Three Village Central School District:

SchoolDigger ranks Three Village Central School District 78th of 810 New York school districts. (See district ranking list.)


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Rank History for William Sidney Mount Elementary School

Compare
Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools NY State Percentile SchoolDigger Rating
2006 86.29 81st 2206 96.3%
2007 84.08 167th 2219 92.5%
2008 83.33 172nd 2227 92.3%
2009 81.87 181st 2257 92.0%
2010 83.49 233rd 2263 89.7%
2011 86.34 185th 2286 91.9%
2012 83.85 259th 2320 88.8%
2013 89.82 159th 2325 93.2%
2014 88.36 177th 2345 92.5%
2015 93.38 69th 2352 97.1%
2016 94.16 55th 2366 97.7%
2017 84.63 276th 2386 88.4%
2018 84.48 278th 2395 88.4%

Data source: test scores: NY State Education Department, rankings: SchoolDigger.com

William Sidney Mount Elementary School Test Scores
Tests: 
  
Grades: 
  
Years: 
  
Group by: 
  
District Scores: 
  
State Scores: 






Data source: NY State Education Department

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Enrollment information for William Sidney Mount Elementary School

Compare
Year White African American Asian Hispanic American Indian Pacific Islander Two or More Races Not Specified Total
1989 635 9 50 0 0 n/a n/a 0 694
1990 568 13 56 7 2 n/a n/a 0 646
1991 555 17 36 6 0 n/a n/a 0 614
1992 616 16 49 5 0 n/a n/a 0 686
1993 615 17 61 10 0 n/a n/a 0 703
1994 650 15 51 10 0 n/a n/a 0 726
1995 660 10 71 14 0 n/a n/a 0 755
1996 660 10 71 14 0 n/a n/a 0 755
1997 725 8 75 8 0 n/a n/a 0 816
1998 743 12 84 15 1 n/a n/a 0 855
1999 753 12 79 16 1 n/a n/a 0 861
2000 773 22 101 10 0 n/a n/a 0 906
2001 746 18 108 7 2 n/a n/a 0 881
2002 738 20 100 13 4 n/a n/a 0 875
2003 738 20 100 13 4 n/a n/a 0 875
2004 718 19 112 15 10 n/a n/a 0 874
2005 757 11 112 11 5 n/a n/a 0 896
2006 747 9 126 22 5 n/a n/a 0 909
2007 662 9 137 28 25 n/a n/a 0 861
2008 698 15 111 13 9 n/a n/a 0 846
2009 665 8 105 26 1 n/a n/a 1 806
2010 630 10 103 22 2 n/a n/a 4 771
2011 608 13 79 21 2 0 0 0 723
2012 581 14 82 25 2 0 1 0 705
2013 558 14 84 32 1 0 5 0 694
2014 514 14 96 40 1 0 10 0 675
2015 467 10 104 38 1 n/a 11 0 631
2016 399 6 95 36 1 n/a 18 0 555
2017 355 8 80 39 1 0 22 0 505

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Enrollment/Ethnicity
For more information about how the Department of Education defines ethnicity, see Defining Race and Ethnicity Data, National Center for Education Statistics

Students eligible for free or discounted lunch at William Sidney Mount Elementary School

Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
1989 694 45.7 15.1 n/a
1990 646 48.3 13.3 n/a
1991 614 44.5 13.7 n/a
1992 686 43.5 15.7 n/a
1993 703 44.7 15.7 n/a
1994 726 44.7 16.2 1.7
1995 755 43.9 17.2 1.7
1996 755 43.9 17.2 1.7
1997 816 50.2 16.3 2.3
1998 855 55.4 15.4 1.8
1999 861 56.0 15.4 1.4
2000 906 54.7 16.6 1.7
2001 881 57.0 15.5 1.8
2002 875 57.1 15.3 2.5
2003 875 57.1 15.3 2.5
2004 874 n/a n/a n/a
2005 896 57.8 15.5 2.2
2006 909 57.0 15.9 2.5
2007 861 53.5 16.1 2.8
2008 846 53.5 15.8 1.4
2009 806 55.9 14.4 3.2
2010 771 53.9 14.3 4.0
2011 723 54.9 13.1 2.9
2012 705 47.5 14.8 5.0
2013 694 47.5 14.6 6.2
2014 675 39.0 17.3 8.3
2015 631 41.0 15.3 7.1
2016 555 36.0 15.4 4.7
2017 505 33.0 15.2 8.5

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Students eligible for discounted/free lunch
For information about the National School Lunch Program, see the USDA Website

Student/Teacher Ratio William Sidney Mount Elementary School

Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
1989 694 45.7 15.1 n/a
1990 646 48.3 13.3 n/a
1991 614 44.5 13.7 n/a
1992 686 43.5 15.7 n/a
1993 703 44.7 15.7 n/a
1994 726 44.7 16.2 1.7
1995 755 43.9 17.2 1.7
1996 755 43.9 17.2 1.7
1997 816 50.2 16.3 2.3
1998 855 55.4 15.4 1.8
1999 861 56.0 15.4 1.4
2000 906 54.7 16.6 1.7
2001 881 57.0 15.5 1.8
2002 875 57.1 15.3 2.5
2003 875 57.1 15.3 2.5
2004 874 n/a n/a n/a
2005 896 57.8 15.5 2.2
2006 909 57.0 15.9 2.5
2007 861 53.5 16.1 2.8
2008 846 53.5 15.8 1.4
2009 806 55.9 14.4 3.2
2010 771 53.9 14.3 4.0
2011 723 54.9 13.1 2.9
2012 705 47.5 14.8 5.0
2013 694 47.5 14.6 6.2
2014 675 39.0 17.3 8.3
2015 631 41.0 15.3 7.1
2016 555 36.0 15.4 4.7
2017 505 33.0 15.2 8.5

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Student-Teacher Ratio
Student/teacher ratio is calculated by dividing the total number of students by the total number of full-time equivalent teachers. Please note that a smaller student/teacher ratio does not necessarily translate to smaller class size. In some instances, schools hire teachers part time, and some teachers are hired for specialized instruction with very small class sizes. These and other factors contribute to the student/teacher ratio. Note: For private schools, Student/teacher ratio may not include Pre-Kindergarten.

Immunization Rates

William Sidney Mount Elementary School

Compare
YearCompletely ImmunizedReligious ExemptionMedical ExemptionPolioMeaslesMumpsRubellaDiphtheriaHepatitis BVaricella
201398.6%0.9%0.0%99.1%98.6%99.1%99.1%99.1%99.1%99.1%
201497.3%1.5%0.4%97.9%97.9%98.1%98.1%98.1%97.6%98.1%
201595.4%1.1%0.5%96.9%98.4%98.3%98.4%96.9%98.4%97.3%
201698.2%1.6%0.2%98.2%98.2%98.2%98.2%98.2%98.2%98.2%
201797.4%2.0%0.0%97.6%97.6%97.6%97.6%97.4%97.6%97.6%
201897.5%2.1%0.0%97.7%97.9%97.9%97.9%97.9%97.9%97.9%

Data source: New York State Department of Health




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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau, the WNYC and the New York State Department of Health and the NY State Education Department.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that school and district boundary data are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





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