Rancho Cordova Elementary (Data source)
Source data for Rancho Cordova 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 | 1823716 | 2372 | - | 2436 | = | -64 | * | (54 | / | 224) | = | -15.42857139 | ||
4 | 1823717 | 2416 | - | 2485 | = | -69 | * | (65 | / | 224) | = | -20.0223214 | ||
5 | 1823720 | 2447 | - | 2528 | = | -81 | * | (71 | / | 224) | = | -25.67410709 | ||
6 | 1823721 | 2496 | - | 2552 | = | -56 | * | (34 | / | 224) | = | -8.49999998 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Rancho Cordova Elementary | -70 |
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 | 56413 | 2388 | - | 2436 | = | -48 | * | (50 | / | 185) | = | -12.97297296 | ||
4 | 56415 | 2409 | - | 2485 | = | -76 | * | (52 | / | 185) | = | -21.36216216 | ||
5 | 56416 | 2451 | - | 2528 | = | -77 | * | (55 | / | 185) | = | -22.89189187 | ||
6 | 56419 | 2501 | - | 2552 | = | -51 | * | (28 | / | 185) | = | -7.7189189 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Rancho Cordova Elementary | -65 |
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 | 58059 | 2377 | - | 2436 | = | -59 | * | (58 | / | 165) | = | -20.73939391 | ||
4 | 58062 | 2433 | - | 2485 | = | -52 | * | (52 | / | 165) | = | -16.38787878 | ||
5 | 58064 | 2452 | - | 2528 | = | -76 | * | (55 | / | 165) | = | -25.33333331 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Rancho Cordova Elementary | -62 |
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 | 58194 | 2391 | - | 2436 | = | -45 | * | (63 | / | 169) | = | -16.77514793 | ||
4 | 58197 | 2424 | - | 2485 | = | -61 | * | (54 | / | 169) | = | -19.49112425 | ||
5 | 58198 | 2459 | - | 2528 | = | -69 | * | (52 | / | 169) | = | -21.23076918 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Rancho Cordova 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 | 58441 | 2377 | - | 2436 | = | -59 | * | (57 | / | 181) | = | -18.58011049 | ||
4 | 58442 | 2426 | - | 2485 | = | -59 | * | (67 | / | 181) | = | -21.83977896 | ||
5 | 58443 | 2429 | - | 2528 | = | -99 | * | (57 | / | 181) | = | -31.17679557 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Rancho Cordova Elementary | -72 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-70 | -65 | -62 | -57 | -72 | -326.0 | -65.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -47.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -83.2
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 | 87% | 87% | 89% | 88% | 80% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Folsom-Cordova Unified school district County of Sacramento
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.
Rancho Cordova Elementary math proficiency
Zero+ meets standard.
81% less $meal
74% less $meal
79% less $meal
78% less $meal
73% 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.