Southport Elementary (Data source)
Source data for Southport Elementary
2015
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
3 | 3180459 | 2433 | - | 2436 | = | -3 | * | (100 | / | 551) | = | -0.54446461 | ||
4 | 3180460 | 2466 | - | 2485 | = | -19 | * | (89 | / | 551) | = | -3.0689655 | ||
5 | 3180463 | 2472 | - | 2528 | = | -56 | * | (88 | / | 551) | = | -8.94373861 | ||
6 | 3180464 | 2458 | - | 2552 | = | -94 | * | (108 | / | 551) | = | -18.42468235 | ||
7 | 3180467 | 2514 | - | 2567 | = | -53 | * | (72 | / | 551) | = | -6.92558982 | ||
8 | 3180468 | 2536 | - | 2586 | = | -50 | * | (94 | / | 551) | = | -8.52994555 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Southport Elementary | -46 |
2016
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
3 | 98020 | 2457 | - | 2436 | = | 21 | * | (95 | / | 519) | = | 3.84393062 | ||
4 | 98023 | 2485 | - | 2485 | = | 0 | * | (99 | / | 519) | = | 0.0 | ||
5 | 98024 | 2477 | - | 2528 | = | -51 | * | (74 | / | 519) | = | -7.27167629 | ||
6 | 98026 | 2478 | - | 2552 | = | -74 | * | (82 | / | 519) | = | -11.6917148 | ||
7 | 98029 | 2555 | - | 2567 | = | -12 | * | (89 | / | 519) | = | -2.05780346 | ||
8 | 98031 | 2575 | - | 2586 | = | -11 | * | (80 | / | 519) | = | -1.69556839 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Southport Elementary | -19 |
2017
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
3 | 100886 | 2434 | - | 2436 | = | -2 | * | (96 | / | 560) | = | -0.34285714 | ||
4 | 100887 | 2509 | - | 2485 | = | 24 | * | (101 | / | 560) | = | 4.32857141 | ||
5 | 100890 | 2485 | - | 2528 | = | -43 | * | (96 | / | 560) | = | -7.37142855 | ||
6 | 100891 | 2465 | - | 2552 | = | -87 | * | (95 | / | 560) | = | -14.75892856 | ||
7 | 100894 | 2492 | - | 2567 | = | -75 | * | (88 | / | 560) | = | -11.78571428 | ||
8 | 100896 | 2545 | - | 2586 | = | -41 | * | (84 | / | 560) | = | -6.15 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Southport Elementary | -36 |
2018
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
3 | 101041 | 2425 | - | 2436 | = | -11 | * | (86 | / | 534) | = | -1.77153558 | ||
4 | 101042 | 2484 | - | 2485 | = | -1 | * | (88 | / | 534) | = | -0.16479401 | ||
5 | 101045 | 2524 | - | 2528 | = | -4 | * | (94 | / | 534) | = | -0.70411985 | ||
6 | 101046 | 2494 | - | 2552 | = | -58 | * | (95 | / | 534) | = | -10.31835202 | ||
7 | 101049 | 2524 | - | 2567 | = | -43 | * | (91 | / | 534) | = | -7.32771536 | ||
8 | 101050 | 2530 | - | 2586 | = | -56 | * | (80 | / | 534) | = | -8.3895131 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Southport Elementary | -29 |
2019
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
3 | 101688 | 2449 | - | 2436 | = | 13 | * | (79 | / | 547) | = | 1.8775137 | ||
4 | 101689 | 2505 | - | 2485 | = | 20 | * | (87 | / | 547) | = | 3.1809872 | ||
5 | 101690 | 2516 | - | 2528 | = | -12 | * | (90 | / | 547) | = | -1.97440584 | ||
6 | 101691 | 2537 | - | 2552 | = | -15 | * | (102 | / | 547) | = | -2.79707495 | ||
7 | 101692 | 2537 | - | 2567 | = | -30 | * | (100 | / | 547) | = | -5.48446068 | ||
8 | 101693 | 2533 | - | 2586 | = | -53 | * | (89 | / | 547) | = | -8.62340035 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Southport Elementary | -14 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-46 | -19 | -36 | -29 | -14 | -144.0 | -28.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 7.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -64.8
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
2015 | 2016 | 2017 | 2018 | 2019 | |
---|---|---|---|---|---|
Percent | 58% | 55% | 56% | 57% | 57% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Washington Unified school district | County of Yolo
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Southport Elementary math proficiency
Zero+ meets standard.

47% less $meal

43% less $meal

47% less $meal

48% less $meal

47% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.
Elementary School (Public) schools in Washington Unified (7)
Bridgeway Island Elementary | Elkhorn Village Elementary | Riverbank Elementary |
Southport Elementary | Stonegate Elementary | Westfield Village Elementary |
Westmore Oaks Elementary |