Boyd Elementary (Data source)
Source data for Boyd 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 | 2030293 | 2398 | - | 2436 | = | -38 | * | (96 | / | 281) | = | -12.98220638 | ||
4 | 2030294 | 2426 | - | 2485 | = | -59 | * | (81 | / | 281) | = | -17.00711739 | ||
5 | 2030297 | 2424 | - | 2528 | = | -104 | * | (104 | / | 281) | = | -38.49110314 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Boyd Elementary | -68 |
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 | 62391 | 2400 | - | 2436 | = | -36 | * | (93 | / | 291) | = | -11.50515461 | ||
4 | 62393 | 2433 | - | 2485 | = | -52 | * | (102 | / | 291) | = | -18.22680408 | ||
5 | 62394 | 2437 | - | 2528 | = | -91 | * | (96 | / | 291) | = | -30.02061854 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Boyd Elementary | -60 |
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 | 64183 | 2404 | - | 2436 | = | -32 | * | (87 | / | 278) | = | -10.01438848 | ||
4 | 64184 | 2432 | - | 2485 | = | -53 | * | (86 | / | 278) | = | -16.3956834 | ||
5 | 64186 | 2459 | - | 2528 | = | -69 | * | (105 | / | 278) | = | -26.06115103 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Boyd Elementary | -52 |
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 | 64289 | 2397 | - | 2436 | = | -39 | * | (92 | / | 259) | = | -13.85328185 | ||
4 | 64291 | 2413 | - | 2485 | = | -72 | * | (84 | / | 259) | = | -23.35135133 | ||
5 | 64293 | 2435 | - | 2528 | = | -93 | * | (83 | / | 259) | = | -29.80308876 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Boyd Elementary | -67 |
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 | 64657 | 2411 | - | 2436 | = | -25 | * | (81 | / | 274) | = | -7.39051093 | ||
4 | 64658 | 2430 | - | 2485 | = | -55 | * | (97 | / | 274) | = | -19.47080289 | ||
5 | 64659 | 2438 | - | 2528 | = | -90 | * | (96 | / | 274) | = | -31.53284667 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Boyd Elementary | -58 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-68 | -60 | -52 | -67 | -58 | -305.0 | -61.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -43.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -79.0
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 | 87% | 95% | 91% | 93% | 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.
Boyd Elementary math proficiency
Zero+ meets standard.
76% less $meal
85% less $meal
78% less $meal
82% less $meal
83% 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.