South Tahoe Middle (Data source)
Source data for South Tahoe Middle
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 |
||
6 | 277094 | 2508 | - | 2552 | = | -44 | * | (263 | / | 788) | = | -14.68527918 | ||
7 | 277097 | 2520 | - | 2567 | = | -47 | * | (248 | / | 788) | = | -14.79187816 | ||
8 | 277098 | 2524 | - | 2586 | = | -62 | * | (277 | / | 788) | = | -21.7944162 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for South Tahoe Middle | -51 |
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 |
||
6 | 8194 | 2507 | - | 2552 | = | -45 | * | (291 | / | 789) | = | -16.59695814 | ||
7 | 8195 | 2517 | - | 2567 | = | -50 | * | (256 | / | 789) | = | -16.22306715 | ||
8 | 8198 | 2512 | - | 2586 | = | -74 | * | (242 | / | 789) | = | -22.69708486 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for South Tahoe Middle | -56 |
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 |
||
6 | 8460 | 2505 | - | 2552 | = | -47 | * | (302 | / | 837) | = | -16.95818398 | ||
7 | 8461 | 2508 | - | 2567 | = | -59 | * | (279 | / | 837) | = | -19.66666665 | ||
8 | 8464 | 2525 | - | 2586 | = | -61 | * | (256 | / | 837) | = | -18.6571087 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for South Tahoe Middle | -55 |
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 |
||
6 | 8495 | 2513 | - | 2552 | = | -39 | * | (287 | / | 859) | = | -13.03026773 | ||
7 | 8498 | 2504 | - | 2567 | = | -63 | * | (295 | / | 859) | = | -21.63562279 | ||
8 | 8499 | 2515 | - | 2586 | = | -71 | * | (277 | / | 859) | = | -22.89522701 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for South Tahoe Middle | -58 |
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 |
||
6 | 8549 | 2509 | - | 2552 | = | -43 | * | (310 | / | 874) | = | -15.25171623 | ||
7 | 8550 | 2509 | - | 2567 | = | -58 | * | (277 | / | 874) | = | -18.382151 | ||
8 | 8551 | 2506 | - | 2586 | = | -80 | * | (287 | / | 874) | = | -26.27002288 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for South Tahoe Middle | -60 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-51 | -56 | -55 | -58 | -60 | -280.0 | -56.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -47.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -65.0
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 | 62% | 55% | 62% | 60% | 57% |
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.
South Tahoe Middle math proficiency
Zero+ meets standard.
49% less $meal
49% less $meal
49% less $meal
52% less $meal
49% 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.
Intermediate/Middle Schools (Public) schools in Lake Tahoe Unified (1)
South Tahoe Middle |