Mark Twain Elementary (Data source)
Source data for Mark Twain 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 | 752238 | 2428 | - | 2436 | = | -8 | * | (98 | / | 267) | = | -2.93632958 | ||
| 4 | 752239 | 2460 | - | 2485 | = | -25 | * | (81 | / | 267) | = | -7.58426965 | ||
| 5 | 752242 | 2533 | - | 2528 | = | 5 | * | (88 | / | 267) | = | 1.64794007 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Mark Twain 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 | 23640 | 2450 | - | 2436 | = | 14 | * | (89 | / | 254) | = | 4.9055118 | ||
| 4 | 23643 | 2504 | - | 2485 | = | 19 | * | (90 | / | 254) | = | 6.73228345 | ||
| 5 | 23645 | 2551 | - | 2528 | = | 23 | * | (75 | / | 254) | = | 6.79133857 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Mark Twain Elementary | 18 | ||||||||||||
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 | 24120 | 2457 | - | 2436 | = | 21 | * | (100 | / | 272) | = | 7.72058822 | ||
| 4 | 24121 | 2480 | - | 2485 | = | -5 | * | (87 | / | 272) | = | -1.59926471 | ||
| 5 | 24123 | 2555 | - | 2528 | = | 27 | * | (85 | / | 272) | = | 8.4375 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Mark Twain Elementary | 15 | ||||||||||||
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 | 24140 | 2468 | - | 2436 | = | 32 | * | (94 | / | 271) | = | 11.09963098 | ||
| 4 | 24143 | 2487 | - | 2485 | = | 2 | * | (93 | / | 271) | = | 0.68634686 | ||
| 5 | 24144 | 2544 | - | 2528 | = | 16 | * | (84 | / | 271) | = | 4.95940958 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Mark Twain Elementary | 17 | ||||||||||||
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 | 24318 | 2465 | - | 2436 | = | 29 | * | (70 | / | 241) | = | 8.4232365 | ||
| 4 | 24319 | 2496 | - | 2485 | = | 11 | * | (86 | / | 241) | = | 3.9253112 | ||
| 5 | 24320 | 2569 | - | 2528 | = | 41 | * | (85 | / | 241) | = | 14.4605809 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Mark Twain Elementary | 27 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -9 | 18 | 15 | 17 | 27 | 68.0 | 13.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 52.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -25.4
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 | 59% | 59% | 62% | 67% | 70% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Lawndale Elementary school district | County of Los Angeles
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.
Mark Twain Elementary math proficiency
Zero+ meets standard.
43% less $meal
42% less $meal
48% less $meal
57% less $meal
58% 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 Lawndale Elementary (6)
| Billy Mitchell Elementary | F. D. Roosevelt Elementary | Lucille J. Smith Elementary |
| Mark Twain Elementary | William Anderson Elementary | William Green Elementary |