Sierra House Elementary (Data source)
Source data for Sierra House 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 | 277690 | 2434 | - | 2436 | = | -2 | * | (89 | / | 250) | = | -0.712 | ||
| 4 | 277693 | 2457 | - | 2485 | = | -28 | * | (79 | / | 250) | = | -8.848 | ||
| 5 | 277694 | 2466 | - | 2528 | = | -62 | * | (82 | / | 250) | = | -20.336 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Sierra House 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 | 8210 | 2458 | - | 2436 | = | 22 | * | (95 | / | 270) | = | 7.74074072 | ||
| 4 | 8212 | 2460 | - | 2485 | = | -25 | * | (96 | / | 270) | = | -8.88888888 | ||
| 5 | 8213 | 2460 | - | 2528 | = | -68 | * | (79 | / | 270) | = | -19.89629626 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Sierra House Elementary | -21 | ||||||||||||
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 | 8475 | 2456 | - | 2436 | = | 20 | * | (76 | / | 265) | = | 5.73584904 | ||
| 4 | 8477 | 2465 | - | 2485 | = | -20 | * | (94 | / | 265) | = | -7.09433962 | ||
| 5 | 8479 | 2487 | - | 2528 | = | -41 | * | (95 | / | 265) | = | -14.69811321 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Sierra House Elementary | -16 | ||||||||||||
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 | 8511 | 2469 | - | 2436 | = | 33 | * | (92 | / | 264) | = | 11.49999998 | ||
| 4 | 8514 | 2462 | - | 2485 | = | -23 | * | (80 | / | 264) | = | -6.96969697 | ||
| 5 | 8515 | 2485 | - | 2528 | = | -43 | * | (92 | / | 264) | = | -14.98484846 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Sierra House Elementary | -10 | ||||||||||||
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 | 8565 | 2454 | - | 2436 | = | 18 | * | (84 | / | 264) | = | 5.72727272 | ||
| 4 | 8566 | 2483 | - | 2485 | = | -2 | * | (92 | / | 264) | = | -0.6969697 | ||
| 5 | 8567 | 2478 | - | 2528 | = | -50 | * | (88 | / | 264) | = | -16.66666665 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Sierra House Elementary | -12 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -30 | -21 | -16 | -10 | -12 | -89.0 | -17.8 |
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: -41.8
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 | 63% | 58% | 57% | 57% | 56% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Lake Tahoe Unified school district | County of El Dorado
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.
Sierra House Elementary math proficiency
Zero+ meets standard.
50% less $meal
49% less $meal
46% less $meal
50% less $meal
46% 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 Lake Tahoe Unified (4)
| Bijou Community | Lake Tahoe Environmental Science Magnet | Sierra House Elementary |
| Tahoe Valley Elementary |