West Heritage Elementary (Data source)
Source data for West Heritage 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 | 1979465 | 2407 | - | 2436 | = | -29 | * | (90 | / | 286) | = | -9.12587411 | ||
4 | 1979466 | 2480 | - | 2485 | = | -5 | * | (100 | / | 286) | = | -1.74825175 | ||
5 | 1979469 | 2487 | - | 2528 | = | -41 | * | (96 | / | 286) | = | -13.76223774 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for West Heritage Elementary | -25 |
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 | 60907 | 2430 | - | 2436 | = | -6 | * | (106 | / | 318) | = | -2.0 | ||
4 | 60908 | 2460 | - | 2485 | = | -25 | * | (99 | / | 318) | = | -7.78301885 | ||
5 | 60910 | 2498 | - | 2528 | = | -30 | * | (113 | / | 318) | = | -10.66037733 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for West Heritage Elementary | -20 |
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 | 62668 | 2439 | - | 2436 | = | 3 | * | (85 | / | 303) | = | 0.84158416 | ||
4 | 62670 | 2458 | - | 2485 | = | -27 | * | (110 | / | 303) | = | -9.80198018 | ||
5 | 62672 | 2491 | - | 2528 | = | -37 | * | (108 | / | 303) | = | -13.18811879 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for West Heritage Elementary | -22 |
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 | 62747 | 2427 | - | 2436 | = | -9 | * | (110 | / | 327) | = | -3.02752293 | ||
4 | 62748 | 2488 | - | 2485 | = | 3 | * | (91 | / | 327) | = | 0.83486238 | ||
5 | 62751 | 2496 | - | 2528 | = | -32 | * | (126 | / | 327) | = | -12.3302752 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for West Heritage Elementary | -15 |
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 | 63015 | 2440 | - | 2436 | = | 4 | * | (123 | / | 336) | = | 1.46428571 | ||
4 | 63016 | 2478 | - | 2485 | = | -7 | * | (116 | / | 336) | = | -2.41666667 | ||
5 | 63017 | 2517 | - | 2528 | = | -11 | * | (97 | / | 336) | = | -3.17559524 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for West Heritage Elementary | -4 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-25 | -20 | -22 | -15 | -4 | -86.0 | -17.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 6.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -41.2
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 | 49% | 55% | 53% | 61% | 59% |
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, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
West Heritage Elementary math proficiency
Zero+ meets standard.

40% less $meal

48% less $meal

46% less $meal

54% less $meal

53% 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.