Cobblestone Elementary (Data source)
Source data for Cobblestone 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 | 3200491 | 2453 | - | 2436 | = | 17 | * | (69 | / | 172) | = | 6.81976743 | ||
| 4 | 3200492 | 2483 | - | 2485 | = | -2 | * | (43 | / | 172) | = | -0.5 | ||
| 5 | 3200495 | 2466 | - | 2528 | = | -62 | * | (60 | / | 172) | = | -21.62790696 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Cobblestone Elementary | -15 | ||||||||||||
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 | 98649 | 2469 | - | 2436 | = | 33 | * | (58 | / | 188) | = | 10.18085105 | ||
| 4 | 98651 | 2491 | - | 2485 | = | 6 | * | (75 | / | 188) | = | 2.39361702 | ||
| 5 | 98653 | 2491 | - | 2528 | = | -37 | * | (55 | / | 188) | = | -10.82446807 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Cobblestone Elementary | 2 | ||||||||||||
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 | 101511 | 2427 | - | 2436 | = | -9 | * | (65 | / | 194) | = | -3.01546391 | ||
| 4 | 101514 | 2472 | - | 2485 | = | -13 | * | (54 | / | 194) | = | -3.6185567 | ||
| 5 | 101515 | 2502 | - | 2528 | = | -26 | * | (75 | / | 194) | = | -10.05154639 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Cobblestone Elementary | -17 | ||||||||||||
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 | 101666 | 2450 | - | 2436 | = | 14 | * | (57 | / | 176) | = | 4.5340909 | ||
| 4 | 101669 | 2479 | - | 2485 | = | -6 | * | (67 | / | 176) | = | -2.28409091 | ||
| 5 | 101670 | 2528 | - | 2528 | = | 0 | * | (52 | / | 176) | = | 0.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Cobblestone Elementary | 2 | ||||||||||||
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 | 102317 | 2454 | - | 2436 | = | 18 | * | (61 | / | 185) | = | 5.93513512 | ||
| 4 | 102318 | 2480 | - | 2485 | = | -5 | * | (55 | / | 185) | = | -1.48648649 | ||
| 5 | 102319 | 2527 | - | 2528 | = | -1 | * | (69 | / | 185) | = | -0.37297297 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Cobblestone Elementary | 4 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -15 | 2 | -17 | 2 | 4 | -24.0 | -4.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 25.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -34.8
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 | 35% | 42% | 40% | 35% | 34% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Plumas Lake Elementary school district | County of Yuba
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.
Cobblestone Elementary math proficiency
Zero+ meets standard.
21% less $meal
26% less $meal
26% less $meal
26% less $meal
24% 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 Plumas Lake Elementary (2)
| Cobblestone Elementary | Rio Del Oro Elementary |