Albert A. Michelson Elementary (Data source)
Source data for Albert A. Michelson 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 | 166728 | 2435 | - | 2436 | = | -1 | * | (34 | / | 101) | = | -0.33663366 | ||
| 4 | 166731 | 2478 | - | 2485 | = | -7 | * | (39 | / | 101) | = | -2.70297029 | ||
| 5 | 166732 | 2516 | - | 2528 | = | -12 | * | (28 | / | 101) | = | -3.32673266 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Albert A. Michelson Elementary | -6 | ||||||||||||
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 | 4983 | 2423 | - | 2436 | = | -13 | * | (32 | / | 105) | = | -3.96190475 | ||
| 4 | 4985 | 2491 | - | 2485 | = | 6 | * | (33 | / | 105) | = | 1.88571428 | ||
| 5 | 4988 | 2517 | - | 2528 | = | -11 | * | (40 | / | 105) | = | -4.19047618 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Albert A. Michelson Elementary | -6 | ||||||||||||
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 | 5077 | 2451 | - | 2436 | = | 15 | * | (40 | / | 103) | = | 5.82524271 | ||
| 4 | 5079 | 2490 | - | 2485 | = | 5 | * | (29 | / | 103) | = | 1.40776699 | ||
| 5 | 5081 | 2515 | - | 2528 | = | -13 | * | (34 | / | 103) | = | -4.29126213 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Albert A. Michelson Elementary | 3 | ||||||||||||
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 | 5065 | 2427 | - | 2436 | = | -9 | * | (37 | / | 105) | = | -3.17142857 | ||
| 4 | 5068 | 2492 | - | 2485 | = | 7 | * | (42 | / | 105) | = | 2.8 | ||
| 5 | 5069 | 2499 | - | 2528 | = | -29 | * | (26 | / | 105) | = | -7.18095236 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Albert A. Michelson Elementary | -8 | ||||||||||||
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 | 5101 | 2422 | - | 2436 | = | -14 | * | (20 | / | 104) | = | -2.69230769 | ||
| 4 | 5102 | 2478 | - | 2485 | = | -7 | * | (42 | / | 104) | = | -2.82692307 | ||
| 5 | 5103 | 2521 | - | 2528 | = | -7 | * | (42 | / | 104) | = | -2.82692307 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Albert A. Michelson Elementary | -8 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -6 | -6 | 3 | -8 | -8 | -25.0 | -5.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 7.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -17.0
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 | 38% | 40% | 35% | 49% | 45% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Vallecito Union school district | County of Calaveras
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.
Albert A. Michelson Elementary math proficiency
Zero+ meets standard.
30% less $meal
34% less $meal
31% less $meal
42% less $meal
42% 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 Vallecito Union (2)
| Albert A. Michelson Elementary | Hazel Fischer Elementary |