La Granada Elementary (Data source)
Source data for La Granada 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 | 1642877 | 2368 | - | 2436 | = | -68 | * | (118 | / | 351) | = | -22.86039885 | ||
| 4 | 1642880 | 2417 | - | 2485 | = | -68 | * | (119 | / | 351) | = | -23.05413105 | ||
| 5 | 1642881 | 2416 | - | 2528 | = | -112 | * | (114 | / | 351) | = | -36.37606829 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for La Granada Elementary | -82 | ||||||||||||
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 | 51359 | 2386 | - | 2436 | = | -50 | * | (81 | / | 313) | = | -12.9392971 | ||
| 4 | 51360 | 2417 | - | 2485 | = | -68 | * | (118 | / | 313) | = | -25.63578274 | ||
| 5 | 51362 | 2440 | - | 2528 | = | -88 | * | (114 | / | 313) | = | -32.05111818 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for La Granada Elementary | -71 | ||||||||||||
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 | 52842 | 2386 | - | 2436 | = | -50 | * | (127 | / | 322) | = | -19.72049685 | ||
| 4 | 52844 | 2422 | - | 2485 | = | -63 | * | (83 | / | 322) | = | -16.23913043 | ||
| 5 | 52846 | 2434 | - | 2528 | = | -94 | * | (112 | / | 322) | = | -32.69565208 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for La Granada Elementary | -69 | ||||||||||||
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 | 52933 | 2393 | - | 2436 | = | -43 | * | (95 | / | 289) | = | -14.13494809 | ||
| 4 | 52935 | 2412 | - | 2485 | = | -73 | * | (117 | / | 289) | = | -29.55363317 | ||
| 5 | 52937 | 2447 | - | 2528 | = | -81 | * | (77 | / | 289) | = | -21.58131487 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for La Granada Elementary | -65 | ||||||||||||
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 | 53163 | 2367 | - | 2436 | = | -69 | * | (103 | / | 307) | = | -23.14983707 | ||
| 4 | 53164 | 2428 | - | 2485 | = | -57 | * | (94 | / | 307) | = | -17.45276873 | ||
| 5 | 53165 | 2424 | - | 2528 | = | -104 | * | (110 | / | 307) | = | -37.26384355 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for La Granada Elementary | -78 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -82 | -71 | -69 | -65 | -78 | -365.0 | -73.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -55.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -91.0
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 | 96% | 94% | 93% | 90% | 93% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Alvord Unified school district | County of Riverside
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.
La Granada Elementary math proficiency
Zero+ meets standard.
88% less $meal
82% less $meal
80% less $meal
84% less $meal
84% 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.