Robla Elementary (Data source)
Source data for Robla 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 | 1835839 | 2376 | - | 2436 | = | -60 | * | (78 | / | 270) | = | -17.33333328 | ||
4 | 1835842 | 2427 | - | 2485 | = | -58 | * | (65 | / | 270) | = | -13.96296292 | ||
5 | 1835843 | 2481 | - | 2528 | = | -47 | * | (64 | / | 270) | = | -11.14074074 | ||
6 | 1835846 | 2458 | - | 2552 | = | -94 | * | (63 | / | 270) | = | -21.9333333 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Robla Elementary | -64 |
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 | 56778 | 2420 | - | 2436 | = | -16 | * | (70 | / | 259) | = | -4.32432432 | ||
4 | 56781 | 2430 | - | 2485 | = | -55 | * | (65 | / | 259) | = | -13.80308875 | ||
5 | 56782 | 2461 | - | 2528 | = | -67 | * | (62 | / | 259) | = | -16.03861001 | ||
6 | 56785 | 2525 | - | 2552 | = | -27 | * | (62 | / | 259) | = | -6.46332045 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Robla Elementary | -41 |
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 | 58437 | 2405 | - | 2436 | = | -31 | * | (52 | / | 240) | = | -6.71666665 | ||
4 | 58440 | 2446 | - | 2485 | = | -39 | * | (61 | / | 240) | = | -9.91249997 | ||
5 | 58441 | 2470 | - | 2528 | = | -58 | * | (67 | / | 240) | = | -16.19166663 | ||
6 | 58444 | 2520 | - | 2552 | = | -32 | * | (60 | / | 240) | = | -8.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Robla Elementary | -41 |
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 | 58553 | 2413 | - | 2436 | = | -23 | * | (50 | / | 226) | = | -5.08849557 | ||
4 | 58555 | 2441 | - | 2485 | = | -44 | * | (55 | / | 226) | = | -10.70796456 | ||
5 | 58557 | 2480 | - | 2528 | = | -48 | * | (56 | / | 226) | = | -11.89380528 | ||
6 | 58559 | 2492 | - | 2552 | = | -60 | * | (65 | / | 226) | = | -17.25663714 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Robla Elementary | -45 |
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 | 58800 | 2424 | - | 2436 | = | -12 | * | (50 | / | 215) | = | -2.79069767 | ||
4 | 58801 | 2461 | - | 2485 | = | -24 | * | (56 | / | 215) | = | -6.25116278 | ||
5 | 58802 | 2480 | - | 2528 | = | -48 | * | (51 | / | 215) | = | -11.3860465 | ||
6 | 58803 | 2509 | - | 2552 | = | -43 | * | (58 | / | 215) | = | -11.59999996 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Robla Elementary | -32 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-64 | -41 | -41 | -45 | -32 | -223.0 | -44.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -11.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -77.6
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 | 84% | 87% | 86% | 82% | 84% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Robla Elementary 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.
Robla Elementary math proficiency
Zero+ meets standard.
67% less $meal
75% less $meal
75% less $meal
72% less $meal
72% 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.
Elementary School (Public) schools in Robla Elementary (5)
Bell Avenue Elementary | Glenwood Elementary | Main Avenue Elementary |
Robla Elementary | Taylor Street Elementary |