Truckee Elementary (Data source)
Source data for Truckee 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 | 1618535 | 2425 | - | 2436 | = | -11 | * | (78 | / | 252) | = | -3.4047619 | ||
| 4 | 1618536 | 2480 | - | 2485 | = | -5 | * | (95 | / | 252) | = | -1.88492063 | ||
| 5 | 1618539 | 2517 | - | 2528 | = | -11 | * | (79 | / | 252) | = | -3.44841269 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Truckee Elementary | -9 | ||||||||||||
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 | 50620 | 2425 | - | 2436 | = | -11 | * | (81 | / | 262) | = | -3.40076336 | ||
| 4 | 50623 | 2471 | - | 2485 | = | -14 | * | (86 | / | 262) | = | -4.59541984 | ||
| 5 | 50624 | 2532 | - | 2528 | = | 4 | * | (95 | / | 262) | = | 1.45038168 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Truckee Elementary | -7 | ||||||||||||
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 | 52065 | 2417 | - | 2436 | = | -19 | * | (90 | / | 262) | = | -6.52671755 | ||
| 4 | 52067 | 2483 | - | 2485 | = | -2 | * | (84 | / | 262) | = | -0.64122137 | ||
| 5 | 52068 | 2509 | - | 2528 | = | -19 | * | (88 | / | 262) | = | -6.38167938 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Truckee Elementary | -14 | ||||||||||||
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 | 52110 | 2410 | - | 2436 | = | -26 | * | (80 | / | 255) | = | -8.15686274 | ||
| 4 | 52113 | 2470 | - | 2485 | = | -15 | * | (92 | / | 255) | = | -5.4117647 | ||
| 5 | 52114 | 2504 | - | 2528 | = | -24 | * | (83 | / | 255) | = | -7.8117647 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Truckee Elementary | -21 | ||||||||||||
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 | 52289 | 2418 | - | 2436 | = | -18 | * | (74 | / | 262) | = | -5.08396946 | ||
| 4 | 52290 | 2462 | - | 2485 | = | -23 | * | (87 | / | 262) | = | -7.63740456 | ||
| 5 | 52291 | 2501 | - | 2528 | = | -27 | * | (101 | / | 262) | = | -10.40839694 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Truckee Elementary | -23 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -9 | -7 | -14 | -21 | -23 | -74.0 | -14.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 6.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -35.8
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 | 60% | 59% | 55% | 62% | 61% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Tahoe-Truckee 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.
Truckee Elementary math proficiency
Zero+ meets standard.
50% less $meal
49% less $meal
48% less $meal
56% less $meal
56% 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 Tahoe-Truckee Unified (5)
| Donner Trail Elementary | Glenshire Elementary | Kings Beach Elementary |
| Tahoe Lake Elementary | Truckee Elementary |