Twelve Bridges Elementary (Data source)
Source data for Twelve Bridges 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 | 1620049 | 2471 | - | 2436 | = | 35 | * | (84 | / | 312) | = | 9.42307692 | ||
| 4 | 1620050 | 2492 | - | 2485 | = | 7 | * | (113 | / | 312) | = | 2.53525641 | ||
| 5 | 1620053 | 2506 | - | 2528 | = | -22 | * | (115 | / | 312) | = | -8.10897435 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Twelve Bridges Elementary | 4 | ||||||||||||
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 | 50663 | 2442 | - | 2436 | = | 6 | * | (97 | / | 304) | = | 1.91447368 | ||
| 4 | 50664 | 2502 | - | 2485 | = | 17 | * | (91 | / | 304) | = | 5.08881579 | ||
| 5 | 50666 | 2524 | - | 2528 | = | -4 | * | (116 | / | 304) | = | -1.52631579 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Twelve Bridges Elementary | 5 | ||||||||||||
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 | 52107 | 2461 | - | 2436 | = | 25 | * | (105 | / | 277) | = | 9.47653428 | ||
| 4 | 52109 | 2501 | - | 2485 | = | 16 | * | (92 | / | 277) | = | 5.31407941 | ||
| 5 | 52111 | 2552 | - | 2528 | = | 24 | * | (80 | / | 277) | = | 6.93140794 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Twelve Bridges Elementary | 22 | ||||||||||||
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 | 52153 | 2485 | - | 2436 | = | 49 | * | (96 | / | 302) | = | 15.57615891 | ||
| 4 | 52155 | 2513 | - | 2485 | = | 28 | * | (109 | / | 302) | = | 10.10596026 | ||
| 5 | 52156 | 2539 | - | 2528 | = | 11 | * | (97 | / | 302) | = | 3.53311257 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Twelve Bridges Elementary | 29 | ||||||||||||
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 | 52331 | 2474 | - | 2436 | = | 38 | * | (106 | / | 295) | = | 13.65423725 | ||
| 4 | 52332 | 2534 | - | 2485 | = | 49 | * | (86 | / | 295) | = | 14.28474573 | ||
| 5 | 52333 | 2551 | - | 2528 | = | 23 | * | (103 | / | 295) | = | 8.03050847 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Twelve Bridges Elementary | 36 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 4 | 5 | 22 | 29 | 36 | 96.0 | 19.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 61.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -22.8
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 | 12% | 8% | 7% | 9% | 10% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Western Placer Unified 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.
Twelve Bridges Elementary math proficiency
Zero+ meets standard.
8% less $meal
7% less $meal
6% 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.
Elementary School (Public) schools in Western Placer Unified (8)
| Carlin C. Coppin Elementary | Creekside Oaks Elementary | First Street Elementary |
| Foskett Ranch Elementary | Lincoln Crossing Elementary | Scott M. Leaman |
| Sheridan Elementary | Twelve Bridges Elementary |