Junction Elementary (Data source)
Source data for Junction 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 | 1610155 | 2467 | - | 2436 | = | 31 | * | (117 | / | 370) | = | 9.8027027 | ||
| 4 | 1610156 | 2529 | - | 2485 | = | 44 | * | (125 | / | 370) | = | 14.86486483 | ||
| 5 | 1610159 | 2543 | - | 2528 | = | 15 | * | (128 | / | 370) | = | 5.18918918 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Junction Elementary | 30 | ||||||||||||
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 | 50382 | 2475 | - | 2436 | = | 39 | * | (116 | / | 367) | = | 12.32697547 | ||
| 4 | 50385 | 2524 | - | 2485 | = | 39 | * | (124 | / | 367) | = | 13.1771117 | ||
| 5 | 50386 | 2564 | - | 2528 | = | 36 | * | (127 | / | 367) | = | 12.45776566 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Junction Elementary | 38 | ||||||||||||
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 | 51817 | 2475 | - | 2436 | = | 39 | * | (129 | / | 391) | = | 12.86700765 | ||
| 4 | 51818 | 2514 | - | 2485 | = | 29 | * | (132 | / | 391) | = | 9.7902813 | ||
| 5 | 51821 | 2562 | - | 2528 | = | 34 | * | (130 | / | 391) | = | 11.30434781 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Junction Elementary | 34 | ||||||||||||
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 | 51848 | 2487 | - | 2436 | = | 51 | * | (126 | / | 393) | = | 16.35114504 | ||
| 4 | 51851 | 2531 | - | 2485 | = | 46 | * | (131 | / | 393) | = | 15.33333332 | ||
| 5 | 51852 | 2550 | - | 2528 | = | 22 | * | (136 | / | 393) | = | 7.61323154 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Junction Elementary | 39 | ||||||||||||
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 | 52039 | 2476 | - | 2436 | = | 40 | * | (122 | / | 388) | = | 12.57731956 | ||
| 4 | 52040 | 2537 | - | 2485 | = | 52 | * | (125 | / | 388) | = | 16.7525773 | ||
| 5 | 52041 | 2548 | - | 2528 | = | 20 | * | (141 | / | 388) | = | 7.26804122 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Junction Elementary | 37 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 30 | 38 | 34 | 39 | 37 | 178.0 | 35.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 44.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 26.6
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 | 11% | 9% | 8% | 11% | 11% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Roseville City Elementary school district | County of Placer
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.
Junction Elementary math proficiency
Zero+ meets standard.
7% less $meal
6% less $meal
5% less $meal
9% less $meal
9% 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.