Myers Elementary (Data source)
Source data for Myers 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 | 2031781 | 2393 | - | 2436 | = | -43 | * | (103 | / | 299) | = | -14.81270902 | ||
4 | 2031782 | 2418 | - | 2485 | = | -67 | * | (94 | / | 299) | = | -21.06354509 | ||
5 | 2031785 | 2418 | - | 2528 | = | -110 | * | (102 | / | 299) | = | -37.52508353 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Myers Elementary | -73 |
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 | 62439 | 2377 | - | 2436 | = | -59 | * | (99 | / | 287) | = | -20.35191637 | ||
4 | 62440 | 2418 | - | 2485 | = | -67 | * | (95 | / | 287) | = | -22.17770028 | ||
5 | 62443 | 2442 | - | 2528 | = | -86 | * | (93 | / | 287) | = | -27.86759575 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Myers Elementary | -70 |
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 | 64230 | 2389 | - | 2436 | = | -47 | * | (91 | / | 281) | = | -15.22064055 | ||
4 | 64233 | 2408 | - | 2485 | = | -77 | * | (96 | / | 281) | = | -26.30604977 | ||
5 | 64234 | 2437 | - | 2528 | = | -91 | * | (94 | / | 281) | = | -30.44128105 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Myers Elementary | -72 |
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 | 64337 | 2410 | - | 2436 | = | -26 | * | (84 | / | 266) | = | -8.2105263 | ||
4 | 64340 | 2441 | - | 2485 | = | -44 | * | (82 | / | 266) | = | -13.56390974 | ||
5 | 64341 | 2435 | - | 2528 | = | -93 | * | (100 | / | 266) | = | -34.96240596 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Myers Elementary | -57 |
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 | 64705 | 2411 | - | 2436 | = | -25 | * | (95 | / | 285) | = | -8.33333333 | ||
4 | 64706 | 2430 | - | 2485 | = | -55 | * | (94 | / | 285) | = | -18.14035086 | ||
5 | 64707 | 2450 | - | 2528 | = | -78 | * | (96 | / | 285) | = | -26.27368419 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Myers Elementary | -53 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-73 | -70 | -72 | -57 | -53 | -325.0 | -65.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -38.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -92.0
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 | 82% | 91% | 85% | 90% | 93% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Rialto Unified 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.
Myers Elementary math proficiency
Zero+ meets standard.

73% less $meal

82% less $meal

78% less $meal

83% less $meal

88% 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.