Roche Elementary (Data source)
Source data for Roche 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 | 3080024 | 2397 | - | 2436 | = | -39 | * | (77 | / | 244) | = | -12.30737703 | ||
| 4 | 3080025 | 2418 | - | 2485 | = | -67 | * | (52 | / | 244) | = | -14.27868852 | ||
| 5 | 3080028 | 2450 | - | 2528 | = | -78 | * | (53 | / | 244) | = | -16.94262289 | ||
| 6 | 3080029 | 2438 | - | 2552 | = | -114 | * | (62 | / | 244) | = | -28.96721304 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Roche Elementary | -72 | ||||||||||||
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 | 94837 | 2415 | - | 2436 | = | -21 | * | (62 | / | 232) | = | -5.61206896 | ||
| 4 | 94838 | 2437 | - | 2485 | = | -48 | * | (67 | / | 232) | = | -13.86206894 | ||
| 5 | 94840 | 2415 | - | 2528 | = | -113 | * | (50 | / | 232) | = | -24.35344823 | ||
| 6 | 94843 | 2440 | - | 2552 | = | -112 | * | (53 | / | 232) | = | -25.5862068 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Roche 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 | 97613 | 2408 | - | 2436 | = | -28 | * | (61 | / | 238) | = | -7.17647059 | ||
| 4 | 97616 | 2439 | - | 2485 | = | -46 | * | (60 | / | 238) | = | -11.59663864 | ||
| 5 | 97617 | 2453 | - | 2528 | = | -75 | * | (66 | / | 238) | = | -20.7983193 | ||
| 6 | 97620 | 2424 | - | 2552 | = | -128 | * | (51 | / | 238) | = | -27.42857139 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Roche Elementary | -67 | ||||||||||||
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 | 97792 | 2406 | - | 2436 | = | -30 | * | (45 | / | 223) | = | -6.05381163 | ||
| 4 | 97794 | 2455 | - | 2485 | = | -30 | * | (61 | / | 223) | = | -8.206278 | ||
| 5 | 97796 | 2467 | - | 2528 | = | -61 | * | (59 | / | 223) | = | -16.13901345 | ||
| 6 | 97798 | 2493 | - | 2552 | = | -59 | * | (58 | / | 223) | = | -15.34529147 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Roche Elementary | -46 | ||||||||||||
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 | 98452 | 2386 | - | 2436 | = | -50 | * | (53 | / | 214) | = | -12.38317755 | ||
| 4 | 98453 | 2433 | - | 2485 | = | -52 | * | (48 | / | 214) | = | -11.66355138 | ||
| 5 | 98454 | 2474 | - | 2528 | = | -54 | * | (57 | / | 214) | = | -14.38317756 | ||
| 6 | 98455 | 2515 | - | 2552 | = | -37 | * | (56 | / | 214) | = | -9.68224295 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Roche Elementary | -48 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -72 | -69 | -67 | -46 | -48 | -302.0 | -60.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -24.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -96.4
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% | 91% | 93% | 93% | 90% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Porterville Unified school district | County of Tulare
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.
Roche Elementary math proficiency
Zero+ meets standard.
94% less $meal
86% less $meal
92% less $meal
93% 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.