Garden Valley Elementary (Data source)
Source data for Garden Valley 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 | 1906276 | 2379 | - | 2436 | = | -57 | * | (59 | / | 194) | = | -17.33505153 | ||
4 | 1906277 | 2420 | - | 2485 | = | -65 | * | (49 | / | 194) | = | -16.41752574 | ||
5 | 1906280 | 2437 | - | 2528 | = | -91 | * | (56 | / | 194) | = | -26.26804116 | ||
6 | 1906281 | 2445 | - | 2552 | = | -107 | * | (30 | / | 194) | = | -16.54639173 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Garden Valley Elementary | -77 |
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 | 58699 | 2405 | - | 2436 | = | -31 | * | (54 | / | 215) | = | -7.78604649 | ||
4 | 58701 | 2418 | - | 2485 | = | -67 | * | (57 | / | 215) | = | -17.76279069 | ||
5 | 58703 | 2436 | - | 2528 | = | -92 | * | (54 | / | 215) | = | -23.10697668 | ||
6 | 58705 | 2463 | - | 2552 | = | -89 | * | (50 | / | 215) | = | -20.69767437 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Garden Valley Elementary | -69 |
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 | 60412 | 2402 | - | 2436 | = | -34 | * | (52 | / | 204) | = | -8.66666664 | ||
4 | 60413 | 2431 | - | 2485 | = | -54 | * | (55 | / | 204) | = | -14.55882352 | ||
5 | 60416 | 2433 | - | 2528 | = | -95 | * | (54 | / | 204) | = | -25.14705879 | ||
6 | 60417 | 2482 | - | 2552 | = | -70 | * | (43 | / | 204) | = | -14.75490191 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Garden Valley Elementary | -63 |
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 | 60536 | 2405 | - | 2436 | = | -31 | * | (49 | / | 221) | = | -6.87330317 | ||
4 | 60538 | 2431 | - | 2485 | = | -54 | * | (57 | / | 221) | = | -13.92760181 | ||
5 | 60540 | 2429 | - | 2528 | = | -99 | * | (61 | / | 221) | = | -27.3257918 | ||
6 | 60542 | 2474 | - | 2552 | = | -78 | * | (54 | / | 221) | = | -19.0588235 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Garden Valley 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 | 60788 | 2417 | - | 2436 | = | -19 | * | (49 | / | 201) | = | -4.63184079 | ||
4 | 60789 | 2457 | - | 2485 | = | -28 | * | (47 | / | 201) | = | -6.54726366 | ||
5 | 60790 | 2448 | - | 2528 | = | -80 | * | (47 | / | 201) | = | -18.7064676 | ||
6 | 60791 | 2471 | - | 2552 | = | -81 | * | (58 | / | 201) | = | -23.37313425 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Garden Valley Elementary | -53 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-77 | -69 | -63 | -67 | -53 | -329.0 | -65.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -41.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -89.8
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 | 89% | 84% | 91% | 93% | 95% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Twin Rivers 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.
Garden Valley Elementary math proficiency
Zero+ meets standard.
85% less $meal
76% less $meal
84% less $meal
87% less $meal
90% 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.