Windrows Elementary (Data source)
Source data for Windrows 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 | 1978883 | 2425 | - | 2436 | = | -11 | * | (119 | / | 335) | = | -3.90746268 | ||
4 | 1978884 | 2474 | - | 2485 | = | -11 | * | (98 | / | 335) | = | -3.21791044 | ||
5 | 1978887 | 2493 | - | 2528 | = | -35 | * | (118 | / | 335) | = | -12.32835818 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Windrows Elementary | -19 |
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 | 60890 | 2433 | - | 2436 | = | -3 | * | (101 | / | 316) | = | -0.95886076 | ||
4 | 60892 | 2505 | - | 2485 | = | 20 | * | (114 | / | 316) | = | 7.21518986 | ||
5 | 60894 | 2500 | - | 2528 | = | -28 | * | (101 | / | 316) | = | -8.94936708 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Windrows Elementary | -3 |
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 | 62652 | 2457 | - | 2436 | = | 21 | * | (86 | / | 302) | = | 5.98013243 | ||
4 | 62654 | 2493 | - | 2485 | = | 8 | * | (107 | / | 302) | = | 2.83443708 | ||
5 | 62656 | 2533 | - | 2528 | = | 5 | * | (109 | / | 302) | = | 1.80463576 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Windrows Elementary | 11 |
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 | 62731 | 2463 | - | 2436 | = | 27 | * | (95 | / | 290) | = | 8.84482756 | ||
4 | 62733 | 2502 | - | 2485 | = | 17 | * | (89 | / | 290) | = | 5.21724137 | ||
5 | 62735 | 2523 | - | 2528 | = | -5 | * | (106 | / | 290) | = | -1.82758621 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Windrows Elementary | 12 |
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 | 62999 | 2453 | - | 2436 | = | 17 | * | (91 | / | 277) | = | 5.58483754 | ||
4 | 63000 | 2535 | - | 2485 | = | 50 | * | (95 | / | 277) | = | 17.1480144 | ||
5 | 63001 | 2540 | - | 2528 | = | 12 | * | (91 | / | 277) | = | 3.94223826 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Windrows Elementary | 27 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-19 | -3 | 11 | 12 | 27 | 28.0 | 5.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 56.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -45.4
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 | 35% | 31% | 31% | 39% | 36% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Etiwanda Elementary school district | County of San Bernardino
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.
Windrows Elementary math proficiency
Zero+ meets standard.
29% less $meal
26% less $meal
25% less $meal
35% less $meal
33% 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.