Mt. Tallac High (Data source)
Source data for Mt. Tallac High
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 |
||
| 11 | 276496 | 2457 | - | 2628 | = | -171 | * | (14 | / | 14) | = | -171.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Mt. Tallac High | -171 | ||||||||||||
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 |
||
| 11 | 8174 | 2421 | - | 2628 | = | -207 | * | (19 | / | 19) | = | -207.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Mt. Tallac High | -207 | ||||||||||||
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 |
||
| 11 | 8439 | 2443 | - | 2628 | = | -185 | * | (21 | / | 21) | = | -185.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Mt. Tallac High | -185 | ||||||||||||
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 |
||
| 11 | 8475 | 2443 | - | 2628 | = | -185 | * | (16 | / | 16) | = | -185.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Mt. Tallac High | -185 | ||||||||||||
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 |
||
| 11 | 8527 | 2415 | - | 2628 | = | -213 | * | (27 | / | 27) | = | -213.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Mt. Tallac High | -213 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -171 | -207 | -185 | -185 | -213 | -961.0 | -192.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -141.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -243.2
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 | 83% | 77% | 76% | 80% | 77% |
| 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.
Mt. Tallac High math proficiency
Zero+ meets standard.
81% less $meal
76% less $meal
70% less $meal
72% less $meal
75% 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.
Continuation High Schools schools in Lake Tahoe Unified (2)
| Mt. Tallac High | Transitional Learning Center (Continuation) |